Home / 3,622.65-5,431.29-1,156.05

Finding the Fourth Proportional to 3,622.65, 5,431.29 and 1,156.05

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Solution

The fourth proportional to 3,622.65, 5,431.29 and 1,156.05 is: 1,733.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,622.65 : 5,431.29 = 1,156.05 : x
  2. Step 2: Convert to fraction form
    3,622.65/5,431.29 = 1,156.05/x
  3. Step 3: Cross multiply
    3,622.65x = 5,431.29 × 1,156.05
  4. Step 4: Simplify right side
    3,622.65x = 6,278,842.80
  5. Step 5: Solve for x
    x = 6,278,842.80/3,622.65
  6. Step 6: Final answer
    x = 1,733.22

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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.