Home / 3,132.56-4,321.40-2,429.07

Finding the Fourth Proportional to 3,132.56, 4,321.40 and 2,429.07

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Solution

The fourth proportional to 3,132.56, 4,321.40 and 2,429.07 is: 3,350.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,132.56 : 4,321.40 = 2,429.07 : x
  2. Step 2: Convert to fraction form
    3,132.56/4,321.40 = 2,429.07/x
  3. Step 3: Cross multiply
    3,132.56x = 4,321.40 × 2,429.07
  4. Step 4: Simplify right side
    3,132.56x = 10,496,970.95
  5. Step 5: Solve for x
    x = 10,496,970.95/3,132.56
  6. Step 6: Final answer
    x = 3,350.93

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.