Home / 3,971.39-5,480.51-2,203.11

Finding the Fourth Proportional to 3,971.39, 5,480.51 and 2,203.11

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Solution

The fourth proportional to 3,971.39, 5,480.51 and 2,203.11 is: 3,040.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.39 : 5,480.51 = 2,203.11 : x
  2. Step 2: Convert to fraction form
    3,971.39/5,480.51 = 2,203.11/x
  3. Step 3: Cross multiply
    3,971.39x = 5,480.51 × 2,203.11
  4. Step 4: Simplify right side
    3,971.39x = 12,074,155.37
  5. Step 5: Solve for x
    x = 12,074,155.37/3,971.39
  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.