Home / 4,306.72-5,942.64-2,538.40

Finding the Fourth Proportional to 4,306.72, 5,942.64 and 2,538.40

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Solution

The fourth proportional to 4,306.72, 5,942.64 and 2,538.40 is: 3,502.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,306.72 : 5,942.64 = 2,538.40 : x
  2. Step 2: Convert to fraction form
    4,306.72/5,942.64 = 2,538.40/x
  3. Step 3: Cross multiply
    4,306.72x = 5,942.64 × 2,538.40
  4. Step 4: Simplify right side
    4,306.72x = 15,084,797.38
  5. Step 5: Solve for x
    x = 15,084,797.38/4,306.72
  6. Step 6: Final answer
    x = 3,502.62

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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.