Home / 3,965.39-5,472.36-2,197.16

Finding the Fourth Proportional to 3,965.39, 5,472.36 and 2,197.16

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Solution

The fourth proportional to 3,965.39, 5,472.36 and 2,197.16 is: 3,032.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.39 : 5,472.36 = 2,197.16 : x
  2. Step 2: Convert to fraction form
    3,965.39/5,472.36 = 2,197.16/x
  3. Step 3: Cross multiply
    3,965.39x = 5,472.36 × 2,197.16
  4. Step 4: Simplify right side
    3,965.39x = 12,023,643.66
  5. Step 5: Solve for x
    x = 12,023,643.66/3,965.39
  6. Step 6: Final answer
    x = 3,032.15

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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.