Home / 3,688.50-5,519.76-2,302.49

Finding the Fourth Proportional to 3,688.50, 5,519.76 and 2,302.49

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Solution

The fourth proportional to 3,688.50, 5,519.76 and 2,302.49 is: 3,445.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,688.50 : 5,519.76 = 2,302.49 : x
  2. Step 2: Convert to fraction form
    3,688.50/5,519.76 = 2,302.49/x
  3. Step 3: Cross multiply
    3,688.50x = 5,519.76 × 2,302.49
  4. Step 4: Simplify right side
    3,688.50x = 12,709,192.20
  5. Step 5: Solve for x
    x = 12,709,192.20/3,688.50
  6. Step 6: Final answer
    x = 3,445.63

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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.