Home / 2,306.65-3,183.18-1,258.71

Finding the Fourth Proportional to 2,306.65, 3,183.18 and 1,258.71

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Solution

The fourth proportional to 2,306.65, 3,183.18 and 1,258.71 is: 1,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.65 : 3,183.18 = 1,258.71 : x
  2. Step 2: Convert to fraction form
    2,306.65/3,183.18 = 1,258.71/x
  3. Step 3: Cross multiply
    2,306.65x = 3,183.18 × 1,258.71
  4. Step 4: Simplify right side
    2,306.65x = 4,006,700.50
  5. Step 5: Solve for x
    x = 4,006,700.50/2,306.65
  6. Step 6: Final answer
    x = 1,737.02

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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.