Home / 3,580.86-5,379.53-2,543.39

Finding the Fourth Proportional to 3,580.86, 5,379.53 and 2,543.39

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Solution

The fourth proportional to 3,580.86, 5,379.53 and 2,543.39 is: 3,820.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.86 : 5,379.53 = 2,543.39 : x
  2. Step 2: Convert to fraction form
    3,580.86/5,379.53 = 2,543.39/x
  3. Step 3: Cross multiply
    3,580.86x = 5,379.53 × 2,543.39
  4. Step 4: Simplify right side
    3,580.86x = 13,682,203.19
  5. Step 5: Solve for x
    x = 13,682,203.19/3,580.86
  6. Step 6: Final answer
    x = 3,820.93

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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.