Home / 3,769.43-5,637.74-2,205.72

Finding the Fourth Proportional to 3,769.43, 5,637.74 and 2,205.72

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Solution

The fourth proportional to 3,769.43, 5,637.74 and 2,205.72 is: 3,298.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,769.43 : 5,637.74 = 2,205.72 : x
  2. Step 2: Convert to fraction form
    3,769.43/5,637.74 = 2,205.72/x
  3. Step 3: Cross multiply
    3,769.43x = 5,637.74 × 2,205.72
  4. Step 4: Simplify right side
    3,769.43x = 12,435,264.84
  5. Step 5: Solve for x
    x = 12,435,264.84/3,769.43
  6. Step 6: Final answer
    x = 3,298.98

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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.