Home / 3,971.55-5,480.67-2,203.14

Finding the Fourth Proportional to 3,971.55, 5,480.67 and 2,203.14

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Solution

The fourth proportional to 3,971.55, 5,480.67 and 2,203.14 is: 3,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.55 : 5,480.67 = 2,203.14 : x
  2. Step 2: Convert to fraction form
    3,971.55/5,480.67 = 2,203.14/x
  3. Step 3: Cross multiply
    3,971.55x = 5,480.67 × 2,203.14
  4. Step 4: Simplify right side
    3,971.55x = 12,074,683.30
  5. Step 5: Solve for x
    x = 12,074,683.30/3,971.55
  6. Step 6: Final answer
    x = 3,040.29

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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.