Home / 3,141.76-4,333.71-2,258.76

Finding the Fourth Proportional to 3,141.76, 4,333.71 and 2,258.76

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Solution

The fourth proportional to 3,141.76, 4,333.71 and 2,258.76 is: 3,115.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.76 : 4,333.71 = 2,258.76 : x
  2. Step 2: Convert to fraction form
    3,141.76/4,333.71 = 2,258.76/x
  3. Step 3: Cross multiply
    3,141.76x = 4,333.71 × 2,258.76
  4. Step 4: Simplify right side
    3,141.76x = 9,788,810.80
  5. Step 5: Solve for x
    x = 9,788,810.80/3,141.76
  6. Step 6: Final answer
    x = 3,115.71

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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.