Home / 1,180.08-1,767.24-1,145.52

Finding the Fourth Proportional to 1,180.08, 1,767.24 and 1,145.52

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Solution

The fourth proportional to 1,180.08, 1,767.24 and 1,145.52 is: 1,715.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180.08 : 1,767.24 = 1,145.52 : x
  2. Step 2: Convert to fraction form
    1,180.08/1,767.24 = 1,145.52/x
  3. Step 3: Cross multiply
    1,180.08x = 1,767.24 × 1,145.52
  4. Step 4: Simplify right side
    1,180.08x = 2,024,408.76
  5. Step 5: Solve for x
    x = 2,024,408.76/1,180.08
  6. Step 6: Final answer
    x = 1,715.48

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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.