Home / 1,766.74-2,650.54-1,247.75

Finding the Fourth Proportional to 1,766.74, 2,650.54 and 1,247.75

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Solution

The fourth proportional to 1,766.74, 2,650.54 and 1,247.75 is: 1,871.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766.74 : 2,650.54 = 1,247.75 : x
  2. Step 2: Convert to fraction form
    1,766.74/2,650.54 = 1,247.75/x
  3. Step 3: Cross multiply
    1,766.74x = 2,650.54 × 1,247.75
  4. Step 4: Simplify right side
    1,766.74x = 3,307,211.29
  5. Step 5: Solve for x
    x = 3,307,211.29/1,766.74
  6. Step 6: Final answer
    x = 1,871.93

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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.