Home / 3,385.14-5,078.34-1,537.14

Finding the Fourth Proportional to 3,385.14, 5,078.34 and 1,537.14

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Solution

The fourth proportional to 3,385.14, 5,078.34 and 1,537.14 is: 2,306.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,385.14 : 5,078.34 = 1,537.14 : x
  2. Step 2: Convert to fraction form
    3,385.14/5,078.34 = 1,537.14/x
  3. Step 3: Cross multiply
    3,385.14x = 5,078.34 × 1,537.14
  4. Step 4: Simplify right side
    3,385.14x = 7,806,119.55
  5. Step 5: Solve for x
    x = 7,806,119.55/3,385.14
  6. Step 6: Final answer
    x = 2,306.00

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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.