Home / 2,575.78-3,860.28-1,169.17

Finding the Fourth Proportional to 2,575.78, 3,860.28 and 1,169.17

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Solution

The fourth proportional to 2,575.78, 3,860.28 and 1,169.17 is: 1,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,575.78 : 3,860.28 = 1,169.17 : x
  2. Step 2: Convert to fraction form
    2,575.78/3,860.28 = 1,169.17/x
  3. Step 3: Cross multiply
    2,575.78x = 3,860.28 × 1,169.17
  4. Step 4: Simplify right side
    2,575.78x = 4,513,323.57
  5. Step 5: Solve for x
    x = 4,513,323.57/2,575.78
  6. Step 6: Final answer
    x = 1,752.22

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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.