Home / 2,909.56-4,362.16-1,755.04

Finding the Fourth Proportional to 2,909.56, 4,362.16 and 1,755.04

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Solution

The fourth proportional to 2,909.56, 4,362.16 and 1,755.04 is: 2,631.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,909.56 : 4,362.16 = 1,755.04 : x
  2. Step 2: Convert to fraction form
    2,909.56/4,362.16 = 1,755.04/x
  3. Step 3: Cross multiply
    2,909.56x = 4,362.16 × 1,755.04
  4. Step 4: Simplify right side
    2,909.56x = 7,655,765.29
  5. Step 5: Solve for x
    x = 7,655,765.29/2,909.56
  6. Step 6: Final answer
    x = 2,631.25

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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.