Home / 3,577.32-5,374.20-2,117.52

Finding the Fourth Proportional to 3,577.32, 5,374.20 and 2,117.52

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Solution

The fourth proportional to 3,577.32, 5,374.20 and 2,117.52 is: 3,181.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.32 : 5,374.20 = 2,117.52 : x
  2. Step 2: Convert to fraction form
    3,577.32/5,374.20 = 2,117.52/x
  3. Step 3: Cross multiply
    3,577.32x = 5,374.20 × 2,117.52
  4. Step 4: Simplify right side
    3,577.32x = 11,379,975.98
  5. Step 5: Solve for x
    x = 11,379,975.98/3,577.32
  6. Step 6: Final answer
    x = 3,181.15

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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.