Home / 3,767.76-5,652.80-1,689.52

Finding the Fourth Proportional to 3,767.76, 5,652.80 and 1,689.52

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Solution

The fourth proportional to 3,767.76, 5,652.80 and 1,689.52 is: 2,534.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,767.76 : 5,652.80 = 1,689.52 : x
  2. Step 2: Convert to fraction form
    3,767.76/5,652.80 = 1,689.52/x
  3. Step 3: Cross multiply
    3,767.76x = 5,652.80 × 1,689.52
  4. Step 4: Simplify right side
    3,767.76x = 9,550,518.66
  5. Step 5: Solve for x
    x = 9,550,518.66/3,767.76
  6. Step 6: Final answer
    x = 2,534.80

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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.