Home / 3,614.48-4,988.42-2,122.53

Finding the Fourth Proportional to 3,614.48, 4,988.42 and 2,122.53

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Solution

The fourth proportional to 3,614.48, 4,988.42 and 2,122.53 is: 2,929.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,614.48 : 4,988.42 = 2,122.53 : x
  2. Step 2: Convert to fraction form
    3,614.48/4,988.42 = 2,122.53/x
  3. Step 3: Cross multiply
    3,614.48x = 4,988.42 × 2,122.53
  4. Step 4: Simplify right side
    3,614.48x = 10,588,077.80
  5. Step 5: Solve for x
    x = 10,588,077.80/3,614.48
  6. Step 6: Final answer
    x = 2,929.35

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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.