Home / 2,431.24-3,348.40-2,306.12

Finding the Fourth Proportional to 2,431.24, 3,348.40 and 2,306.12

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Solution

The fourth proportional to 2,431.24, 3,348.40 and 2,306.12 is: 3,176.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.24 : 3,348.40 = 2,306.12 : x
  2. Step 2: Convert to fraction form
    2,431.24/3,348.40 = 2,306.12/x
  3. Step 3: Cross multiply
    2,431.24x = 3,348.40 × 2,306.12
  4. Step 4: Simplify right side
    2,431.24x = 7,721,812.21
  5. Step 5: Solve for x
    x = 7,721,812.21/2,431.24
  6. Step 6: Final answer
    x = 3,176.08

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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.