Home / 2,446.41-3,376.14-1,398.47

Finding the Fourth Proportional to 2,446.41, 3,376.14 and 1,398.47

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Solution

The fourth proportional to 2,446.41, 3,376.14 and 1,398.47 is: 1,929.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,446.41 : 3,376.14 = 1,398.47 : x
  2. Step 2: Convert to fraction form
    2,446.41/3,376.14 = 1,398.47/x
  3. Step 3: Cross multiply
    2,446.41x = 3,376.14 × 1,398.47
  4. Step 4: Simplify right side
    2,446.41x = 4,721,431.53
  5. Step 5: Solve for x
    x = 4,721,431.53/2,446.41
  6. Step 6: Final answer
    x = 1,929.95

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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.