Home / 1,654.38-2,280.87-1,366.02

Finding the Fourth Proportional to 1,654.38, 2,280.87 and 1,366.02

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Solution

The fourth proportional to 1,654.38, 2,280.87 and 1,366.02 is: 1,883.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,654.38 : 2,280.87 = 1,366.02 : x
  2. Step 2: Convert to fraction form
    1,654.38/2,280.87 = 1,366.02/x
  3. Step 3: Cross multiply
    1,654.38x = 2,280.87 × 1,366.02
  4. Step 4: Simplify right side
    1,654.38x = 3,115,714.04
  5. Step 5: Solve for x
    x = 3,115,714.04/1,654.38
  6. Step 6: Final answer
    x = 1,883.31

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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.