Home / 2,869.85-4,305.26-1,020.58

Finding the Fourth Proportional to 2,869.85, 4,305.26 and 1,020.58

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Solution

The fourth proportional to 2,869.85, 4,305.26 and 1,020.58 is: 1,531.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,869.85 : 4,305.26 = 1,020.58 : x
  2. Step 2: Convert to fraction form
    2,869.85/4,305.26 = 1,020.58/x
  3. Step 3: Cross multiply
    2,869.85x = 4,305.26 × 1,020.58
  4. Step 4: Simplify right side
    2,869.85x = 4,393,846.38
  5. Step 5: Solve for x
    x = 4,393,846.38/2,869.85
  6. Step 6: Final answer
    x = 1,531.04

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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.