Home / 3,351.20-5,026.96-1,271.12

Finding the Fourth Proportional to 3,351.20, 5,026.96 and 1,271.12

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Solution

The fourth proportional to 3,351.20, 5,026.96 and 1,271.12 is: 1,906.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,351.20 : 5,026.96 = 1,271.12 : x
  2. Step 2: Convert to fraction form
    3,351.20/5,026.96 = 1,271.12/x
  3. Step 3: Cross multiply
    3,351.20x = 5,026.96 × 1,271.12
  4. Step 4: Simplify right side
    3,351.20x = 6,389,869.40
  5. Step 5: Solve for x
    x = 6,389,869.40/3,351.20
  6. Step 6: Final answer
    x = 1,906.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.