Home / 2,476.40-3,712.55-1,159.47

Finding the Fourth Proportional to 2,476.40, 3,712.55 and 1,159.47

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Solution

The fourth proportional to 2,476.40, 3,712.55 and 1,159.47 is: 1,738.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,476.40 : 3,712.55 = 1,159.47 : x
  2. Step 2: Convert to fraction form
    2,476.40/3,712.55 = 1,159.47/x
  3. Step 3: Cross multiply
    2,476.40x = 3,712.55 × 1,159.47
  4. Step 4: Simplify right side
    2,476.40x = 4,304,584.55
  5. Step 5: Solve for x
    x = 4,304,584.55/2,476.40
  6. Step 6: Final answer
    x = 1,738.25

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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.