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Finding the Fourth Proportional to 2,877.52, 3,966.96 and 2,433.64

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Solution

The fourth proportional to 2,877.52, 3,966.96 and 2,433.64 is: 3,355.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,877.52 : 3,966.96 = 2,433.64 : x
  2. Step 2: Convert to fraction form
    2,877.52/3,966.96 = 2,433.64/x
  3. Step 3: Cross multiply
    2,877.52x = 3,966.96 × 2,433.64
  4. Step 4: Simplify right side
    2,877.52x = 9,654,152.53
  5. Step 5: Solve for x
    x = 9,654,152.53/2,877.52
  6. Step 6: Final answer
    x = 3,355.03

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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.