Home / 2,418.92-3,337.92-1,370.72

Finding the Fourth Proportional to 2,418.92, 3,337.92 and 1,370.72

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Solution

The fourth proportional to 2,418.92, 3,337.92 and 1,370.72 is: 1,891.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,418.92 : 3,337.92 = 1,370.72 : x
  2. Step 2: Convert to fraction form
    2,418.92/3,337.92 = 1,370.72/x
  3. Step 3: Cross multiply
    2,418.92x = 3,337.92 × 1,370.72
  4. Step 4: Simplify right side
    2,418.92x = 4,575,353.70
  5. Step 5: Solve for x
    x = 4,575,353.70/2,418.92
  6. Step 6: Final answer
    x = 1,891.49

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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.