Home / 3,988.48-5,504.76-3,324.28

Finding the Fourth Proportional to 3,988.48, 5,504.76 and 3,324.28

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Solution

The fourth proportional to 3,988.48, 5,504.76 and 3,324.28 is: 4,588.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.48 : 5,504.76 = 3,324.28 : x
  2. Step 2: Convert to fraction form
    3,988.48/5,504.76 = 3,324.28/x
  3. Step 3: Cross multiply
    3,988.48x = 5,504.76 × 3,324.28
  4. Step 4: Simplify right side
    3,988.48x = 18,299,363.57
  5. Step 5: Solve for x
    x = 18,299,363.57/3,988.48
  6. Step 6: Final answer
    x = 4,588.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.