Home / 2,423.88-3,346.38-1,540.44

Finding the Fourth Proportional to 2,423.88, 3,346.38 and 1,540.44

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Solution

The fourth proportional to 2,423.88, 3,346.38 and 1,540.44 is: 2,126.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.88 : 3,346.38 = 1,540.44 : x
  2. Step 2: Convert to fraction form
    2,423.88/3,346.38 = 1,540.44/x
  3. Step 3: Cross multiply
    2,423.88x = 3,346.38 × 1,540.44
  4. Step 4: Simplify right side
    2,423.88x = 5,154,897.61
  5. Step 5: Solve for x
    x = 5,154,897.61/2,423.88
  6. Step 6: Final answer
    x = 2,126.71

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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.