Home / 2,446.42-3,376.29-1,398.28

Finding the Fourth Proportional to 2,446.42, 3,376.29 and 1,398.28

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Solution

The fourth proportional to 2,446.42, 3,376.29 and 1,398.28 is: 1,929.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.42 : 3,376.29 = 1,398.28 : x
  2. Step 2: Convert to fraction form
    2,446.42/3,376.29 = 1,398.28/x
  3. Step 3: Cross multiply
    2,446.42x = 3,376.29 × 1,398.28
  4. Step 4: Simplify right side
    2,446.42x = 4,721,007.22
  5. Step 5: Solve for x
    x = 4,721,007.22/2,446.42
  6. Step 6: Final answer
    x = 1,929.76

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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.