Home / 3,432.16-5,149.14-1,457.86

Finding the Fourth Proportional to 3,432.16, 5,149.14 and 1,457.86

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Solution

The fourth proportional to 3,432.16, 5,149.14 and 1,457.86 is: 2,187.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,432.16 : 5,149.14 = 1,457.86 : x
  2. Step 2: Convert to fraction form
    3,432.16/5,149.14 = 1,457.86/x
  3. Step 3: Cross multiply
    3,432.16x = 5,149.14 × 1,457.86
  4. Step 4: Simplify right side
    3,432.16x = 7,506,717.95
  5. Step 5: Solve for x
    x = 7,506,717.95/3,432.16
  6. Step 6: Final answer
    x = 2,187.17

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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.