Home / 2,749.60-4,121.16-1,654.48

Finding the Fourth Proportional to 2,749.60, 4,121.16 and 1,654.48

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Solution

The fourth proportional to 2,749.60, 4,121.16 and 1,654.48 is: 2,479.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,749.60 : 4,121.16 = 1,654.48 : x
  2. Step 2: Convert to fraction form
    2,749.60/4,121.16 = 1,654.48/x
  3. Step 3: Cross multiply
    2,749.60x = 4,121.16 × 1,654.48
  4. Step 4: Simplify right side
    2,749.60x = 6,818,376.80
  5. Step 5: Solve for x
    x = 6,818,376.80/2,749.60
  6. Step 6: Final answer
    x = 2,479.77

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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.