Home / 2,557.71-3,833.53-1,169.78

Finding the Fourth Proportional to 2,557.71, 3,833.53 and 1,169.78

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Solution

The fourth proportional to 2,557.71, 3,833.53 and 1,169.78 is: 1,753.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,557.71 : 3,833.53 = 1,169.78 : x
  2. Step 2: Convert to fraction form
    2,557.71/3,833.53 = 1,169.78/x
  3. Step 3: Cross multiply
    2,557.71x = 3,833.53 × 1,169.78
  4. Step 4: Simplify right side
    2,557.71x = 4,484,364.63
  5. Step 5: Solve for x
    x = 4,484,364.63/2,557.71
  6. Step 6: Final answer
    x = 1,753.27

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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.