Home / 1,846.14-2,769.35-547.71

Finding the Fourth Proportional to 1,846.14, 2,769.35 and 547.71

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Solution

The fourth proportional to 1,846.14, 2,769.35 and 547.71 is: 821.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,846.14 : 2,769.35 = 547.71 : x
  2. Step 2: Convert to fraction form
    1,846.14/2,769.35 = 547.71/x
  3. Step 3: Cross multiply
    1,846.14x = 2,769.35 × 547.71
  4. Step 4: Simplify right side
    1,846.14x = 1,516,797.95
  5. Step 5: Solve for x
    x = 1,516,797.95/1,846.14
  6. Step 6: Final answer
    x = 821.61

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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.