Home / 1,474.43-2,207.31-1,292.18

Finding the Fourth Proportional to 1,474.43, 2,207.31 and 1,292.18

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Solution

The fourth proportional to 1,474.43, 2,207.31 and 1,292.18 is: 1,934.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,474.43 : 2,207.31 = 1,292.18 : x
  2. Step 2: Convert to fraction form
    1,474.43/2,207.31 = 1,292.18/x
  3. Step 3: Cross multiply
    1,474.43x = 2,207.31 × 1,292.18
  4. Step 4: Simplify right side
    1,474.43x = 2,852,241.84
  5. Step 5: Solve for x
    x = 2,852,241.84/1,474.43
  6. Step 6: Final answer
    x = 1,934.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.