Home / 1,193.32-1,782.68-1,150.12

Finding the Fourth Proportional to 1,193.32, 1,782.68 and 1,150.12

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Solution

The fourth proportional to 1,193.32, 1,782.68 and 1,150.12 is: 1,718.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,193.32 : 1,782.68 = 1,150.12 : x
  2. Step 2: Convert to fraction form
    1,193.32/1,782.68 = 1,150.12/x
  3. Step 3: Cross multiply
    1,193.32x = 1,782.68 × 1,150.12
  4. Step 4: Simplify right side
    1,193.32x = 2,050,295.92
  5. Step 5: Solve for x
    x = 2,050,295.92/1,193.32
  6. Step 6: Final answer
    x = 1,718.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.