Home / 2,679.26-4,013.40-1,580.30

Finding the Fourth Proportional to 2,679.26, 4,013.40 and 1,580.30

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Solution

The fourth proportional to 2,679.26, 4,013.40 and 1,580.30 is: 2,367.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.26 : 4,013.40 = 1,580.30 : x
  2. Step 2: Convert to fraction form
    2,679.26/4,013.40 = 1,580.30/x
  3. Step 3: Cross multiply
    2,679.26x = 4,013.40 × 1,580.30
  4. Step 4: Simplify right side
    2,679.26x = 6,342,376.02
  5. Step 5: Solve for x
    x = 6,342,376.02/2,679.26
  6. Step 6: Final answer
    x = 2,367.21

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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.