Home / 2,407.22-3,608.11-1,820.32

Finding the Fourth Proportional to 2,407.22, 3,608.11 and 1,820.32

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Solution

The fourth proportional to 2,407.22, 3,608.11 and 1,820.32 is: 2,728.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,407.22 : 3,608.11 = 1,820.32 : x
  2. Step 2: Convert to fraction form
    2,407.22/3,608.11 = 1,820.32/x
  3. Step 3: Cross multiply
    2,407.22x = 3,608.11 × 1,820.32
  4. Step 4: Simplify right side
    2,407.22x = 6,567,909.35
  5. Step 5: Solve for x
    x = 6,567,909.35/2,407.22
  6. Step 6: Final answer
    x = 2,728.42

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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.