Home / 3,154.64-4,353.43-2,037.65

Finding the Fourth Proportional to 3,154.64, 4,353.43 and 2,037.65

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Solution

The fourth proportional to 3,154.64, 4,353.43 and 2,037.65 is: 2,811.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.64 : 4,353.43 = 2,037.65 : x
  2. Step 2: Convert to fraction form
    3,154.64/4,353.43 = 2,037.65/x
  3. Step 3: Cross multiply
    3,154.64x = 4,353.43 × 2,037.65
  4. Step 4: Simplify right side
    3,154.64x = 8,870,766.64
  5. Step 5: Solve for x
    x = 8,870,766.64/3,154.64
  6. Step 6: Final answer
    x = 2,811.97

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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.