Home / 3,756.80-5,635.80-1,159.13

Finding the Fourth Proportional to 3,756.80, 5,635.80 and 1,159.13

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Solution

The fourth proportional to 3,756.80, 5,635.80 and 1,159.13 is: 1,738.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.80 : 5,635.80 = 1,159.13 : x
  2. Step 2: Convert to fraction form
    3,756.80/5,635.80 = 1,159.13/x
  3. Step 3: Cross multiply
    3,756.80x = 5,635.80 × 1,159.13
  4. Step 4: Simplify right side
    3,756.80x = 6,532,596.68
  5. Step 5: Solve for x
    x = 6,532,596.68/3,756.80
  6. Step 6: Final answer
    x = 1,738.87

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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.