Home / 3,197.40-4,412.20-1,871.04

Finding the Fourth Proportional to 3,197.40, 4,412.20 and 1,871.04

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Solution

The fourth proportional to 3,197.40, 4,412.20 and 1,871.04 is: 2,581.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,197.40 : 4,412.20 = 1,871.04 : x
  2. Step 2: Convert to fraction form
    3,197.40/4,412.20 = 1,871.04/x
  3. Step 3: Cross multiply
    3,197.40x = 4,412.20 × 1,871.04
  4. Step 4: Simplify right side
    3,197.40x = 8,255,402.69
  5. Step 5: Solve for x
    x = 8,255,402.69/3,197.40
  6. Step 6: Final answer
    x = 2,581.91

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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.