Home / 2,769.45-4,148.10-1,671.90

Finding the Fourth Proportional to 2,769.45, 4,148.10 and 1,671.90

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Solution

The fourth proportional to 2,769.45, 4,148.10 and 1,671.90 is: 2,504.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,769.45 : 4,148.10 = 1,671.90 : x
  2. Step 2: Convert to fraction form
    2,769.45/4,148.10 = 1,671.90/x
  3. Step 3: Cross multiply
    2,769.45x = 4,148.10 × 1,671.90
  4. Step 4: Simplify right side
    2,769.45x = 6,935,208.39
  5. Step 5: Solve for x
    x = 6,935,208.39/2,769.45
  6. Step 6: Final answer
    x = 2,504.18

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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.