Home / 3,258.78-4,877.22-2,712.02

Finding the Fourth Proportional to 3,258.78, 4,877.22 and 2,712.02

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Solution

The fourth proportional to 3,258.78, 4,877.22 and 2,712.02 is: 4,058.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,258.78 : 4,877.22 = 2,712.02 : x
  2. Step 2: Convert to fraction form
    3,258.78/4,877.22 = 2,712.02/x
  3. Step 3: Cross multiply
    3,258.78x = 4,877.22 × 2,712.02
  4. Step 4: Simplify right side
    3,258.78x = 13,227,118.18
  5. Step 5: Solve for x
    x = 13,227,118.18/3,258.78
  6. Step 6: Final answer
    x = 4,058.92

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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.