Home / 3,504.56-5,253.24-1,311.76

Finding the Fourth Proportional to 3,504.56, 5,253.24 and 1,311.76

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Solution

The fourth proportional to 3,504.56, 5,253.24 and 1,311.76 is: 1,966.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.56 : 5,253.24 = 1,311.76 : x
  2. Step 2: Convert to fraction form
    3,504.56/5,253.24 = 1,311.76/x
  3. Step 3: Cross multiply
    3,504.56x = 5,253.24 × 1,311.76
  4. Step 4: Simplify right side
    3,504.56x = 6,890,990.10
  5. Step 5: Solve for x
    x = 6,890,990.10/3,504.56
  6. Step 6: Final answer
    x = 1,966.29

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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.