Home / 3,810.45-5,715.68-1,731.18

Finding the Fourth Proportional to 3,810.45, 5,715.68 and 1,731.18

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Solution

The fourth proportional to 3,810.45, 5,715.68 and 1,731.18 is: 2,596.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,810.45 : 5,715.68 = 1,731.18 : x
  2. Step 2: Convert to fraction form
    3,810.45/5,715.68 = 1,731.18/x
  3. Step 3: Cross multiply
    3,810.45x = 5,715.68 × 1,731.18
  4. Step 4: Simplify right side
    3,810.45x = 9,894,862.25
  5. Step 5: Solve for x
    x = 9,894,862.25/3,810.45
  6. Step 6: Final answer
    x = 2,596.77

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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.