Home / 3,614.20-4,987.70-2,042.39

Finding the Fourth Proportional to 3,614.20, 4,987.70 and 2,042.39

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Solution

The fourth proportional to 3,614.20, 4,987.70 and 2,042.39 is: 2,818.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.20 : 4,987.70 = 2,042.39 : x
  2. Step 2: Convert to fraction form
    3,614.20/4,987.70 = 2,042.39/x
  3. Step 3: Cross multiply
    3,614.20x = 4,987.70 × 2,042.39
  4. Step 4: Simplify right side
    3,614.20x = 10,186,828.60
  5. Step 5: Solve for x
    x = 10,186,828.60/3,614.20
  6. Step 6: Final answer
    x = 2,818.56

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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.