Home / 2,446.74-3,375.54-1,398.24

Finding the Fourth Proportional to 2,446.74, 3,375.54 and 1,398.24

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Solution

The fourth proportional to 2,446.74, 3,375.54 and 1,398.24 is: 1,929.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.74 : 3,375.54 = 1,398.24 : x
  2. Step 2: Convert to fraction form
    2,446.74/3,375.54 = 1,398.24/x
  3. Step 3: Cross multiply
    2,446.74x = 3,375.54 × 1,398.24
  4. Step 4: Simplify right side
    2,446.74x = 4,719,815.05
  5. Step 5: Solve for x
    x = 4,719,815.05/2,446.74
  6. Step 6: Final answer
    x = 1,929.02

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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.