Home / 3,487.65-5,227.72-1,295.18

Finding the Fourth Proportional to 3,487.65, 5,227.72 and 1,295.18

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Solution

The fourth proportional to 3,487.65, 5,227.72 and 1,295.18 is: 1,941.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.65 : 5,227.72 = 1,295.18 : x
  2. Step 2: Convert to fraction form
    3,487.65/5,227.72 = 1,295.18/x
  3. Step 3: Cross multiply
    3,487.65x = 5,227.72 × 1,295.18
  4. Step 4: Simplify right side
    3,487.65x = 6,770,838.39
  5. Step 5: Solve for x
    x = 6,770,838.39/3,487.65
  6. Step 6: Final answer
    x = 1,941.38

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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.