Home / 3,756.81-5,635.30-1,159.75

Finding the Fourth Proportional to 3,756.81, 5,635.30 and 1,159.75

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Solution

The fourth proportional to 3,756.81, 5,635.30 and 1,159.75 is: 1,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,756.81 : 5,635.30 = 1,159.75 : x
  2. Step 2: Convert to fraction form
    3,756.81/5,635.30 = 1,159.75/x
  3. Step 3: Cross multiply
    3,756.81x = 5,635.30 × 1,159.75
  4. Step 4: Simplify right side
    3,756.81x = 6,535,539.18
  5. Step 5: Solve for x
    x = 6,535,539.18/3,756.81
  6. Step 6: Final answer
    x = 1,739.65

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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.