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Finding the Fourth Proportional to 2,654.01, 3,981.02 and 1,788.93

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Solution

The fourth proportional to 2,654.01, 3,981.02 and 1,788.93 is: 2,683.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.01 : 3,981.02 = 1,788.93 : x
  2. Step 2: Convert to fraction form
    2,654.01/3,981.02 = 1,788.93/x
  3. Step 3: Cross multiply
    2,654.01x = 3,981.02 × 1,788.93
  4. Step 4: Simplify right side
    2,654.01x = 7,121,757.16
  5. Step 5: Solve for x
    x = 7,121,757.16/2,654.01
  6. Step 6: Final answer
    x = 2,683.40

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Similar ratio
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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.