Home / 3,418.62-4,726.14-3,387.49

Finding the Fourth Proportional to 3,418.62, 4,726.14 and 3,387.49

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Solution

The fourth proportional to 3,418.62, 4,726.14 and 3,387.49 is: 4,683.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,418.62 : 4,726.14 = 3,387.49 : x
  2. Step 2: Convert to fraction form
    3,418.62/4,726.14 = 3,387.49/x
  3. Step 3: Cross multiply
    3,418.62x = 4,726.14 × 3,387.49
  4. Step 4: Simplify right side
    3,418.62x = 16,009,727.47
  5. Step 5: Solve for x
    x = 16,009,727.47/3,418.62
  6. Step 6: Final answer
    x = 4,683.10

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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.