Home / 4,122.39-5,688.96-2,354.97

Finding the Fourth Proportional to 4,122.39, 5,688.96 and 2,354.97

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Solution

The fourth proportional to 4,122.39, 5,688.96 and 2,354.97 is: 3,249.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,122.39 : 5,688.96 = 2,354.97 : x
  2. Step 2: Convert to fraction form
    4,122.39/5,688.96 = 2,354.97/x
  3. Step 3: Cross multiply
    4,122.39x = 5,688.96 × 2,354.97
  4. Step 4: Simplify right side
    4,122.39x = 13,397,330.13
  5. Step 5: Solve for x
    x = 13,397,330.13/4,122.39
  6. Step 6: Final answer
    x = 3,249.89

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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.