Home / 3,154.17-4,354.02-2,035.20

Finding the Fourth Proportional to 3,154.17, 4,354.02 and 2,035.20

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Solution

The fourth proportional to 3,154.17, 4,354.02 and 2,035.20 is: 2,809.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.17 : 4,354.02 = 2,035.20 : x
  2. Step 2: Convert to fraction form
    3,154.17/4,354.02 = 2,035.20/x
  3. Step 3: Cross multiply
    3,154.17x = 4,354.02 × 2,035.20
  4. Step 4: Simplify right side
    3,154.17x = 8,861,301.50
  5. Step 5: Solve for x
    x = 8,861,301.50/3,154.17
  6. Step 6: Final answer
    x = 2,809.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.