Home / 2,258.11-3,387.61-959.57

Finding the Fourth Proportional to 2,258.11, 3,387.61 and 959.57

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Solution

The fourth proportional to 2,258.11, 3,387.61 and 959.57 is: 1,439.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.11 : 3,387.61 = 959.57 : x
  2. Step 2: Convert to fraction form
    2,258.11/3,387.61 = 959.57/x
  3. Step 3: Cross multiply
    2,258.11x = 3,387.61 × 959.57
  4. Step 4: Simplify right side
    2,258.11x = 3,250,631.99
  5. Step 5: Solve for x
    x = 3,250,631.99/2,258.11
  6. Step 6: Final answer
    x = 1,439.54

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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.