Home / 3,135.30-4,704.15-1,402.68

Finding the Fourth Proportional to 3,135.30, 4,704.15 and 1,402.68

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Solution

The fourth proportional to 3,135.30, 4,704.15 and 1,402.68 is: 2,104.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,135.30 : 4,704.15 = 1,402.68 : x
  2. Step 2: Convert to fraction form
    3,135.30/4,704.15 = 1,402.68/x
  3. Step 3: Cross multiply
    3,135.30x = 4,704.15 × 1,402.68
  4. Step 4: Simplify right side
    3,135.30x = 6,598,417.12
  5. Step 5: Solve for x
    x = 6,598,417.12/3,135.30
  6. Step 6: Final answer
    x = 2,104.56

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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.