Home / 3,132.75-4,699.65-1,052.95

Finding the Fourth Proportional to 3,132.75, 4,699.65 and 1,052.95

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Solution

The fourth proportional to 3,132.75, 4,699.65 and 1,052.95 is: 1,579.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.75 : 4,699.65 = 1,052.95 : x
  2. Step 2: Convert to fraction form
    3,132.75/4,699.65 = 1,052.95/x
  3. Step 3: Cross multiply
    3,132.75x = 4,699.65 × 1,052.95
  4. Step 4: Simplify right side
    3,132.75x = 4,948,496.47
  5. Step 5: Solve for x
    x = 4,948,496.47/3,132.75
  6. Step 6: Final answer
    x = 1,579.60

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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.