Home / 2,793.29-3,854.78-1,534.46

Finding the Fourth Proportional to 2,793.29, 3,854.78 and 1,534.46

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Solution

The fourth proportional to 2,793.29, 3,854.78 and 1,534.46 is: 2,117.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,793.29 : 3,854.78 = 1,534.46 : x
  2. Step 2: Convert to fraction form
    2,793.29/3,854.78 = 1,534.46/x
  3. Step 3: Cross multiply
    2,793.29x = 3,854.78 × 1,534.46
  4. Step 4: Simplify right side
    2,793.29x = 5,915,010.53
  5. Step 5: Solve for x
    x = 5,915,010.53/2,793.29
  6. Step 6: Final answer
    x = 2,117.58

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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.