Home / 1,962.29-2,708.42-1,333.87

Finding the Fourth Proportional to 1,962.29, 2,708.42 and 1,333.87

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Solution

The fourth proportional to 1,962.29, 2,708.42 and 1,333.87 is: 1,841.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,962.29 : 2,708.42 = 1,333.87 : x
  2. Step 2: Convert to fraction form
    1,962.29/2,708.42 = 1,333.87/x
  3. Step 3: Cross multiply
    1,962.29x = 2,708.42 × 1,333.87
  4. Step 4: Simplify right side
    1,962.29x = 3,612,666.75
  5. Step 5: Solve for x
    x = 3,612,666.75/1,962.29
  6. Step 6: Final answer
    x = 1,841.04

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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.