Home / 3,080.28-4,620.42-1,000.29

Finding the Fourth Proportional to 3,080.28, 4,620.42 and 1,000.29

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Solution

The fourth proportional to 3,080.28, 4,620.42 and 1,000.29 is: 1,500.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.28 : 4,620.42 = 1,000.29 : x
  2. Step 2: Convert to fraction form
    3,080.28/4,620.42 = 1,000.29/x
  3. Step 3: Cross multiply
    3,080.28x = 4,620.42 × 1,000.29
  4. Step 4: Simplify right side
    3,080.28x = 4,621,759.92
  5. Step 5: Solve for x
    x = 4,621,759.92/3,080.28
  6. Step 6: Final answer
    x = 1,500.44

Related Problems

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Half scale
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Double scale
Find fourth proportional to 3,081.28, 4,621.92 and 1,001.29
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.