Home / 1,845.06-2,545.88-1,181.78

Finding the Fourth Proportional to 1,845.06, 2,545.88 and 1,181.78

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Solution

The fourth proportional to 1,845.06, 2,545.88 and 1,181.78 is: 1,630.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.06 : 2,545.88 = 1,181.78 : x
  2. Step 2: Convert to fraction form
    1,845.06/2,545.88 = 1,181.78/x
  3. Step 3: Cross multiply
    1,845.06x = 2,545.88 × 1,181.78
  4. Step 4: Simplify right side
    1,845.06x = 3,008,651.43
  5. Step 5: Solve for x
    x = 3,008,651.43/1,845.06
  6. Step 6: Final answer
    x = 1,630.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.