Home / 2,306.38-3,182.75-1,258.46

Finding the Fourth Proportional to 2,306.38, 3,182.75 and 1,258.46

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Solution

The fourth proportional to 2,306.38, 3,182.75 and 1,258.46 is: 1,736.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,306.38 : 3,182.75 = 1,258.46 : x
  2. Step 2: Convert to fraction form
    2,306.38/3,182.75 = 1,258.46/x
  3. Step 3: Cross multiply
    2,306.38x = 3,182.75 × 1,258.46
  4. Step 4: Simplify right side
    2,306.38x = 4,005,363.57
  5. Step 5: Solve for x
    x = 4,005,363.57/2,306.38
  6. Step 6: Final answer
    x = 1,736.65

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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.