Home / 2,058.17-3,087.30-903.92

Finding the Fourth Proportional to 2,058.17, 3,087.30 and 903.92

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Solution

The fourth proportional to 2,058.17, 3,087.30 and 903.92 is: 1,355.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,058.17 : 3,087.30 = 903.92 : x
  2. Step 2: Convert to fraction form
    2,058.17/3,087.30 = 903.92/x
  3. Step 3: Cross multiply
    2,058.17x = 3,087.30 × 903.92
  4. Step 4: Simplify right side
    2,058.17x = 2,790,672.22
  5. Step 5: Solve for x
    x = 2,790,672.22/2,058.17
  6. Step 6: Final answer
    x = 1,355.90

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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.