Home / 3,080.69-4,621.77-1,000.70

Finding the Fourth Proportional to 3,080.69, 4,621.77 and 1,000.70

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Solution

The fourth proportional to 3,080.69, 4,621.77 and 1,000.70 is: 1,501.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,080.69 : 4,621.77 = 1,000.70 : x
  2. Step 2: Convert to fraction form
    3,080.69/4,621.77 = 1,000.70/x
  3. Step 3: Cross multiply
    3,080.69x = 4,621.77 × 1,000.70
  4. Step 4: Simplify right side
    3,080.69x = 4,625,000.24
  5. Step 5: Solve for x
    x = 4,625,000.24/3,080.69
  6. Step 6: Final answer
    x = 1,501.29

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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.