Home / 2,487.08-3,747.47-2,063.72

Finding the Fourth Proportional to 2,487.08, 3,747.47 and 2,063.72

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Solution

The fourth proportional to 2,487.08, 3,747.47 and 2,063.72 is: 3,109.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,487.08 : 3,747.47 = 2,063.72 : x
  2. Step 2: Convert to fraction form
    2,487.08/3,747.47 = 2,063.72/x
  3. Step 3: Cross multiply
    2,487.08x = 3,747.47 × 2,063.72
  4. Step 4: Simplify right side
    2,487.08x = 7,733,728.79
  5. Step 5: Solve for x
    x = 7,733,728.79/2,487.08
  6. Step 6: Final answer
    x = 3,109.56

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.