Home / 3,688.59-5,523.12-3,042.21

Finding the Fourth Proportional to 3,688.59, 5,523.12 and 3,042.21

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Solution

The fourth proportional to 3,688.59, 5,523.12 and 3,042.21 is: 4,555.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.59 : 5,523.12 = 3,042.21 : x
  2. Step 2: Convert to fraction form
    3,688.59/5,523.12 = 3,042.21/x
  3. Step 3: Cross multiply
    3,688.59x = 5,523.12 × 3,042.21
  4. Step 4: Simplify right side
    3,688.59x = 16,802,490.90
  5. Step 5: Solve for x
    x = 16,802,490.90/3,688.59
  6. Step 6: Final answer
    x = 4,555.26

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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.