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Finding the Fourth Proportional to 2,803.73, 3,869.12 and 1,544.76

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Solution

The fourth proportional to 2,803.73, 3,869.12 and 1,544.76 is: 2,131.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,803.73 : 3,869.12 = 1,544.76 : x
  2. Step 2: Convert to fraction form
    2,803.73/3,869.12 = 1,544.76/x
  3. Step 3: Cross multiply
    2,803.73x = 3,869.12 × 1,544.76
  4. Step 4: Simplify right side
    2,803.73x = 5,976,854.09
  5. Step 5: Solve for x
    x = 5,976,854.09/2,803.73
  6. Step 6: Final answer
    x = 2,131.75

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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.