Home / 2,654.04-3,663.18-1,720.92

Finding the Fourth Proportional to 2,654.04, 3,663.18 and 1,720.92

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Solution

The fourth proportional to 2,654.04, 3,663.18 and 1,720.92 is: 2,375.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.04 : 3,663.18 = 1,720.92 : x
  2. Step 2: Convert to fraction form
    2,654.04/3,663.18 = 1,720.92/x
  3. Step 3: Cross multiply
    2,654.04x = 3,663.18 × 1,720.92
  4. Step 4: Simplify right side
    2,654.04x = 6,304,039.73
  5. Step 5: Solve for x
    x = 6,304,039.73/2,654.04
  6. Step 6: Final answer
    x = 2,375.26

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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.