Home / 3,239.70-4,470.96-2,539.86

Finding the Fourth Proportional to 3,239.70, 4,470.96 and 2,539.86

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Solution

The fourth proportional to 3,239.70, 4,470.96 and 2,539.86 is: 3,505.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.70 : 4,470.96 = 2,539.86 : x
  2. Step 2: Convert to fraction form
    3,239.70/4,470.96 = 2,539.86/x
  3. Step 3: Cross multiply
    3,239.70x = 4,470.96 × 2,539.86
  4. Step 4: Simplify right side
    3,239.70x = 11,355,612.47
  5. Step 5: Solve for x
    x = 11,355,612.47/3,239.70
  6. Step 6: Final answer
    x = 3,505.14

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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.