Home / 2,847.28-3,928.89-1,652.02

Finding the Fourth Proportional to 2,847.28, 3,928.89 and 1,652.02

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Solution

The fourth proportional to 2,847.28, 3,928.89 and 1,652.02 is: 2,279.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,847.28 : 3,928.89 = 1,652.02 : x
  2. Step 2: Convert to fraction form
    2,847.28/3,928.89 = 1,652.02/x
  3. Step 3: Cross multiply
    2,847.28x = 3,928.89 × 1,652.02
  4. Step 4: Simplify right side
    2,847.28x = 6,490,604.86
  5. Step 5: Solve for x
    x = 6,490,604.86/2,847.28
  6. Step 6: Final answer
    x = 2,279.58

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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.