Home / 1,545.88-2,317.20-1,179.85

Finding the Fourth Proportional to 1,545.88, 2,317.20 and 1,179.85

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Solution

The fourth proportional to 1,545.88, 2,317.20 and 1,179.85 is: 1,768.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.88 : 2,317.20 = 1,179.85 : x
  2. Step 2: Convert to fraction form
    1,545.88/2,317.20 = 1,179.85/x
  3. Step 3: Cross multiply
    1,545.88x = 2,317.20 × 1,179.85
  4. Step 4: Simplify right side
    1,545.88x = 2,733,948.42
  5. Step 5: Solve for x
    x = 2,733,948.42/1,545.88
  6. Step 6: Final answer
    x = 1,768.54

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1.5x scale

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.