Home / 3,988.02-5,982.06-2,253

Finding the Fourth Proportional to 3,988.02, 5,982.06 and 2,253

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Solution

The fourth proportional to 3,988.02, 5,982.06 and 2,253 is: 3,379.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,988.02 : 5,982.06 = 2,253 : x
  2. Step 2: Convert to fraction form
    3,988.02/5,982.06 = 2,253/x
  3. Step 3: Cross multiply
    3,988.02x = 5,982.06 × 2,253
  4. Step 4: Simplify right side
    3,988.02x = 13,477,581.18
  5. Step 5: Solve for x
    x = 13,477,581.18/3,988.02
  6. Step 6: Final answer
    x = 3,379.52

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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.