Home / 2,423.32-3,343.68-1,375.18

Finding the Fourth Proportional to 2,423.32, 3,343.68 and 1,375.18

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Solution

The fourth proportional to 2,423.32, 3,343.68 and 1,375.18 is: 1,897.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,423.32 : 3,343.68 = 1,375.18 : x
  2. Step 2: Convert to fraction form
    2,423.32/3,343.68 = 1,375.18/x
  3. Step 3: Cross multiply
    2,423.32x = 3,343.68 × 1,375.18
  4. Step 4: Simplify right side
    2,423.32x = 4,598,161.86
  5. Step 5: Solve for x
    x = 4,598,161.86/2,423.32
  6. Step 6: Final answer
    x = 1,897.46

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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.