Home / 1,158.25-1,597.48-1,025.61

Finding the Fourth Proportional to 1,158.25, 1,597.48 and 1,025.61

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Solution

The fourth proportional to 1,158.25, 1,597.48 and 1,025.61 is: 1,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158.25 : 1,597.48 = 1,025.61 : x
  2. Step 2: Convert to fraction form
    1,158.25/1,597.48 = 1,025.61/x
  3. Step 3: Cross multiply
    1,158.25x = 1,597.48 × 1,025.61
  4. Step 4: Simplify right side
    1,158.25x = 1,638,391.46
  5. Step 5: Solve for x
    x = 1,638,391.46/1,158.25
  6. Step 6: Final answer
    x = 1,414.54

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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.