Home / 2,654.40-3,963.65-2,308.53

Finding the Fourth Proportional to 2,654.40, 3,963.65 and 2,308.53

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Solution

The fourth proportional to 2,654.40, 3,963.65 and 2,308.53 is: 3,447.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,654.40 : 3,963.65 = 2,308.53 : x
  2. Step 2: Convert to fraction form
    2,654.40/3,963.65 = 2,308.53/x
  3. Step 3: Cross multiply
    2,654.40x = 3,963.65 × 2,308.53
  4. Step 4: Simplify right side
    2,654.40x = 9,150,221.24
  5. Step 5: Solve for x
    x = 9,150,221.24/2,654.40
  6. Step 6: Final answer
    x = 3,447.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.