Home / 2,258.47-3,385.48-1,332.78

Finding the Fourth Proportional to 2,258.47, 3,385.48 and 1,332.78

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Solution

The fourth proportional to 2,258.47, 3,385.48 and 1,332.78 is: 1,997.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,258.47 : 3,385.48 = 1,332.78 : x
  2. Step 2: Convert to fraction form
    2,258.47/3,385.48 = 1,332.78/x
  3. Step 3: Cross multiply
    2,258.47x = 3,385.48 × 1,332.78
  4. Step 4: Simplify right side
    2,258.47x = 4,512,100.03
  5. Step 5: Solve for x
    x = 4,512,100.03/2,258.47
  6. Step 6: Final answer
    x = 1,997.86

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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.