Home / 1,545.06-2,317.72-850.88

Finding the Fourth Proportional to 1,545.06, 2,317.72 and 850.88

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Solution

The fourth proportional to 1,545.06, 2,317.72 and 850.88 is: 1,276.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545.06 : 2,317.72 = 850.88 : x
  2. Step 2: Convert to fraction form
    1,545.06/2,317.72 = 850.88/x
  3. Step 3: Cross multiply
    1,545.06x = 2,317.72 × 850.88
  4. Step 4: Simplify right side
    1,545.06x = 1,972,101.59
  5. Step 5: Solve for x
    x = 1,972,101.59/1,545.06
  6. Step 6: Final answer
    x = 1,276.39

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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.