Home / 2,749.28-4,124.40-1,652.18

Finding the Fourth Proportional to 2,749.28, 4,124.40 and 1,652.18

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Solution

The fourth proportional to 2,749.28, 4,124.40 and 1,652.18 is: 2,478.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.28 : 4,124.40 = 1,652.18 : x
  2. Step 2: Convert to fraction form
    2,749.28/4,124.40 = 1,652.18/x
  3. Step 3: Cross multiply
    2,749.28x = 4,124.40 × 1,652.18
  4. Step 4: Simplify right side
    2,749.28x = 6,814,251.19
  5. Step 5: Solve for x
    x = 6,814,251.19/2,749.28
  6. Step 6: Final answer
    x = 2,478.56

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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.