Home / 2,227.45-3,342.32-1,487.57

Finding the Fourth Proportional to 2,227.45, 3,342.32 and 1,487.57

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Solution

The fourth proportional to 2,227.45, 3,342.32 and 1,487.57 is: 2,232.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,227.45 : 3,342.32 = 1,487.57 : x
  2. Step 2: Convert to fraction form
    2,227.45/3,342.32 = 1,487.57/x
  3. Step 3: Cross multiply
    2,227.45x = 3,342.32 × 1,487.57
  4. Step 4: Simplify right side
    2,227.45x = 4,971,931.54
  5. Step 5: Solve for x
    x = 4,971,931.54/2,227.45
  6. Step 6: Final answer
    x = 2,232.11

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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.