Home / 3,971.57-5,480.76-2,203.17

Finding the Fourth Proportional to 3,971.57, 5,480.76 and 2,203.17

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Solution

The fourth proportional to 3,971.57, 5,480.76 and 2,203.17 is: 3,040.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,971.57 : 5,480.76 = 2,203.17 : x
  2. Step 2: Convert to fraction form
    3,971.57/5,480.76 = 2,203.17/x
  3. Step 3: Cross multiply
    3,971.57x = 5,480.76 × 2,203.17
  4. Step 4: Simplify right side
    3,971.57x = 12,075,046.01
  5. Step 5: Solve for x
    x = 12,075,046.01/3,971.57
  6. Step 6: Final answer
    x = 3,040.37

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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.