Home / 3,125.89-4,691.06-2,306.30

Finding the Fourth Proportional to 3,125.89, 4,691.06 and 2,306.30

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Solution

The fourth proportional to 3,125.89, 4,691.06 and 2,306.30 is: 3,461.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.89 : 4,691.06 = 2,306.30 : x
  2. Step 2: Convert to fraction form
    3,125.89/4,691.06 = 2,306.30/x
  3. Step 3: Cross multiply
    3,125.89x = 4,691.06 × 2,306.30
  4. Step 4: Simplify right side
    3,125.89x = 10,818,980.15
  5. Step 5: Solve for x
    x = 10,818,980.15/3,125.89
  6. Step 6: Final answer
    x = 3,461.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.