Home / 3,965.64-5,471.18-2,371.18

Finding the Fourth Proportional to 3,965.64, 5,471.18 and 2,371.18

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Solution

The fourth proportional to 3,965.64, 5,471.18 and 2,371.18 is: 3,271.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.64 : 5,471.18 = 2,371.18 : x
  2. Step 2: Convert to fraction form
    3,965.64/5,471.18 = 2,371.18/x
  3. Step 3: Cross multiply
    3,965.64x = 5,471.18 × 2,371.18
  4. Step 4: Simplify right side
    3,965.64x = 12,973,152.59
  5. Step 5: Solve for x
    x = 12,973,152.59/3,965.64
  6. Step 6: Final answer
    x = 3,271.39

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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.