Home / 2,375.32-3,561.71-1,189.17

Finding the Fourth Proportional to 2,375.32, 3,561.71 and 1,189.17

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Solution

The fourth proportional to 2,375.32, 3,561.71 and 1,189.17 is: 1,783.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,375.32 : 3,561.71 = 1,189.17 : x
  2. Step 2: Convert to fraction form
    2,375.32/3,561.71 = 1,189.17/x
  3. Step 3: Cross multiply
    2,375.32x = 3,561.71 × 1,189.17
  4. Step 4: Simplify right side
    2,375.32x = 4,235,478.68
  5. Step 5: Solve for x
    x = 4,235,478.68/2,375.32
  6. Step 6: Final answer
    x = 1,783.12

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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.