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Finding the Fourth Proportional to 3,707.84, 5,562.96 and 1,242.88

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Solution

The fourth proportional to 3,707.84, 5,562.96 and 1,242.88 is: 1,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,707.84 : 5,562.96 = 1,242.88 : x
  2. Step 2: Convert to fraction form
    3,707.84/5,562.96 = 1,242.88/x
  3. Step 3: Cross multiply
    3,707.84x = 5,562.96 × 1,242.88
  4. Step 4: Simplify right side
    3,707.84x = 6,914,091.72
  5. Step 5: Solve for x
    x = 6,914,091.72/3,707.84
  6. Step 6: Final answer
    x = 1,864.72

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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.