Home / 2,981.08-4,471.56-1,226.89

Finding the Fourth Proportional to 2,981.08, 4,471.56 and 1,226.89

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Solution

The fourth proportional to 2,981.08, 4,471.56 and 1,226.89 is: 1,840.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,981.08 : 4,471.56 = 1,226.89 : x
  2. Step 2: Convert to fraction form
    2,981.08/4,471.56 = 1,226.89/x
  3. Step 3: Cross multiply
    2,981.08x = 4,471.56 × 1,226.89
  4. Step 4: Simplify right side
    2,981.08x = 5,486,112.25
  5. Step 5: Solve for x
    x = 5,486,112.25/2,981.08
  6. Step 6: Final answer
    x = 1,840.31

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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.