Home / 2,679.10-4,013.16-1,580.20

Finding the Fourth Proportional to 2,679.10, 4,013.16 and 1,580.20

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Solution

The fourth proportional to 2,679.10, 4,013.16 and 1,580.20 is: 2,367.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,679.10 : 4,013.16 = 1,580.20 : x
  2. Step 2: Convert to fraction form
    2,679.10/4,013.16 = 1,580.20/x
  3. Step 3: Cross multiply
    2,679.10x = 4,013.16 × 1,580.20
  4. Step 4: Simplify right side
    2,679.10x = 6,341,595.43
  5. Step 5: Solve for x
    x = 6,341,595.43/2,679.10
  6. Step 6: Final answer
    x = 2,367.06

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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.