Home / 2,580.41-3,869.25-1,192.55

Finding the Fourth Proportional to 2,580.41, 3,869.25 and 1,192.55

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Solution

The fourth proportional to 2,580.41, 3,869.25 and 1,192.55 is: 1,788.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,580.41 : 3,869.25 = 1,192.55 : x
  2. Step 2: Convert to fraction form
    2,580.41/3,869.25 = 1,192.55/x
  3. Step 3: Cross multiply
    2,580.41x = 3,869.25 × 1,192.55
  4. Step 4: Simplify right side
    2,580.41x = 4,614,283.76
  5. Step 5: Solve for x
    x = 4,614,283.76/2,580.41
  6. Step 6: Final answer
    x = 1,788.20

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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.