Home / 3,614.32-4,990.48-3,195.15

Finding the Fourth Proportional to 3,614.32, 4,990.48 and 3,195.15

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Solution

The fourth proportional to 3,614.32, 4,990.48 and 3,195.15 is: 4,411.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.32 : 4,990.48 = 3,195.15 : x
  2. Step 2: Convert to fraction form
    3,614.32/4,990.48 = 3,195.15/x
  3. Step 3: Cross multiply
    3,614.32x = 4,990.48 × 3,195.15
  4. Step 4: Simplify right side
    3,614.32x = 15,945,305.47
  5. Step 5: Solve for x
    x = 15,945,305.47/3,614.32
  6. Step 6: Final answer
    x = 4,411.70

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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.