Home / 3,080.11-4,619.56-1,000.34

Finding the Fourth Proportional to 3,080.11, 4,619.56 and 1,000.34

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Solution

The fourth proportional to 3,080.11, 4,619.56 and 1,000.34 is: 1,500.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.11 : 4,619.56 = 1,000.34 : x
  2. Step 2: Convert to fraction form
    3,080.11/4,619.56 = 1,000.34/x
  3. Step 3: Cross multiply
    3,080.11x = 4,619.56 × 1,000.34
  4. Step 4: Simplify right side
    3,080.11x = 4,621,130.65
  5. Step 5: Solve for x
    x = 4,621,130.65/3,080.11
  6. Step 6: Final answer
    x = 1,500.31

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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.