Home / 3,503.30-5,255.87-1,038.11

Finding the Fourth Proportional to 3,503.30, 5,255.87 and 1,038.11

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Solution

The fourth proportional to 3,503.30, 5,255.87 and 1,038.11 is: 1,557.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,503.30 : 5,255.87 = 1,038.11 : x
  2. Step 2: Convert to fraction form
    3,503.30/5,255.87 = 1,038.11/x
  3. Step 3: Cross multiply
    3,503.30x = 5,255.87 × 1,038.11
  4. Step 4: Simplify right side
    3,503.30x = 5,456,139.74
  5. Step 5: Solve for x
    x = 5,456,139.74/3,503.30
  6. Step 6: Final answer
    x = 1,557.43

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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.