Home / 3,168.27-4,373.12-1,842.50

Finding the Fourth Proportional to 3,168.27, 4,373.12 and 1,842.50

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Solution

The fourth proportional to 3,168.27, 4,373.12 and 1,842.50 is: 2,543.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,168.27 : 4,373.12 = 1,842.50 : x
  2. Step 2: Convert to fraction form
    3,168.27/4,373.12 = 1,842.50/x
  3. Step 3: Cross multiply
    3,168.27x = 4,373.12 × 1,842.50
  4. Step 4: Simplify right side
    3,168.27x = 8,057,489.14
  5. Step 5: Solve for x
    x = 8,057,489.14/3,168.27
  6. Step 6: Final answer
    x = 2,543.18

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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.