Home / 3,965.40-5,472.24-2,393.04

Finding the Fourth Proportional to 3,965.40, 5,472.24 and 2,393.04

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Solution

The fourth proportional to 3,965.40, 5,472.24 and 2,393.04 is: 3,302.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,965.40 : 5,472.24 = 2,393.04 : x
  2. Step 2: Convert to fraction form
    3,965.40/5,472.24 = 2,393.04/x
  3. Step 3: Cross multiply
    3,965.40x = 5,472.24 × 2,393.04
  4. Step 4: Simplify right side
    3,965.40x = 13,095,289.21
  5. Step 5: Solve for x
    x = 13,095,289.21/3,965.40
  6. Step 6: Final answer
    x = 3,302.39

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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.