Home / 2,854.57-3,939.27-1,675.41

Finding the Fourth Proportional to 2,854.57, 3,939.27 and 1,675.41

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Solution

The fourth proportional to 2,854.57, 3,939.27 and 1,675.41 is: 2,312.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,854.57 : 3,939.27 = 1,675.41 : x
  2. Step 2: Convert to fraction form
    2,854.57/3,939.27 = 1,675.41/x
  3. Step 3: Cross multiply
    2,854.57x = 3,939.27 × 1,675.41
  4. Step 4: Simplify right side
    2,854.57x = 6,599,892.35
  5. Step 5: Solve for x
    x = 6,599,892.35/2,854.57
  6. Step 6: Final answer
    x = 2,312.04

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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.