Home / 3,379.10-5,070.33-1,820.52

Finding the Fourth Proportional to 3,379.10, 5,070.33 and 1,820.52

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Solution

The fourth proportional to 3,379.10, 5,070.33 and 1,820.52 is: 2,731.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,379.10 : 5,070.33 = 1,820.52 : x
  2. Step 2: Convert to fraction form
    3,379.10/5,070.33 = 1,820.52/x
  3. Step 3: Cross multiply
    3,379.10x = 5,070.33 × 1,820.52
  4. Step 4: Simplify right side
    3,379.10x = 9,230,637.17
  5. Step 5: Solve for x
    x = 9,230,637.17/3,379.10
  6. Step 6: Final answer
    x = 2,731.69

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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.