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Finding the Fourth Proportional to 2,750.68, 3,793.98 and 1,820.44

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Solution

The fourth proportional to 2,750.68, 3,793.98 and 1,820.44 is: 2,510.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,750.68 : 3,793.98 = 1,820.44 : x
  2. Step 2: Convert to fraction form
    2,750.68/3,793.98 = 1,820.44/x
  3. Step 3: Cross multiply
    2,750.68x = 3,793.98 × 1,820.44
  4. Step 4: Simplify right side
    2,750.68x = 6,906,712.95
  5. Step 5: Solve for x
    x = 6,906,712.95/2,750.68
  6. Step 6: Final answer
    x = 2,510.91

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1.5x scale

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.