Home / 2,447.16-3,376.26-1,398.48

Finding the Fourth Proportional to 2,447.16, 3,376.26 and 1,398.48

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Solution

The fourth proportional to 2,447.16, 3,376.26 and 1,398.48 is: 1,929.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,447.16 : 3,376.26 = 1,398.48 : x
  2. Step 2: Convert to fraction form
    2,447.16/3,376.26 = 1,398.48/x
  3. Step 3: Cross multiply
    2,447.16x = 3,376.26 × 1,398.48
  4. Step 4: Simplify right side
    2,447.16x = 4,721,632.08
  5. Step 5: Solve for x
    x = 4,721,632.08/2,447.16
  6. Step 6: Final answer
    x = 1,929.43

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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.