Home / 2,418.91-3,337.90-1,356.43

Finding the Fourth Proportional to 2,418.91, 3,337.90 and 1,356.43

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Solution

The fourth proportional to 2,418.91, 3,337.90 and 1,356.43 is: 1,871.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.91 : 3,337.90 = 1,356.43 : x
  2. Step 2: Convert to fraction form
    2,418.91/3,337.90 = 1,356.43/x
  3. Step 3: Cross multiply
    2,418.91x = 3,337.90 × 1,356.43
  4. Step 4: Simplify right side
    2,418.91x = 4,527,604.23
  5. Step 5: Solve for x
    x = 4,527,604.23/2,418.91
  6. Step 6: Final answer
    x = 1,871.75

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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.