Home / 3,457.17-5,182.11-2,487.60

Finding the Fourth Proportional to 3,457.17, 5,182.11 and 2,487.60

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Solution

The fourth proportional to 3,457.17, 5,182.11 and 2,487.60 is: 3,728.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,457.17 : 5,182.11 = 2,487.60 : x
  2. Step 2: Convert to fraction form
    3,457.17/5,182.11 = 2,487.60/x
  3. Step 3: Cross multiply
    3,457.17x = 5,182.11 × 2,487.60
  4. Step 4: Simplify right side
    3,457.17x = 12,891,016.84
  5. Step 5: Solve for x
    x = 12,891,016.84/3,457.17
  6. Step 6: Final answer
    x = 3,728.78

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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.