Home / 2,431.88-3,349.26-2,306.74

Finding the Fourth Proportional to 2,431.88, 3,349.26 and 2,306.74

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Solution

The fourth proportional to 2,431.88, 3,349.26 and 2,306.74 is: 3,176.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,431.88 : 3,349.26 = 2,306.74 : x
  2. Step 2: Convert to fraction form
    2,431.88/3,349.26 = 2,306.74/x
  3. Step 3: Cross multiply
    2,431.88x = 3,349.26 × 2,306.74
  4. Step 4: Simplify right side
    2,431.88x = 7,725,872.01
  5. Step 5: Solve for x
    x = 7,725,872.01/2,431.88
  6. Step 6: Final answer
    x = 3,176.91

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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.