Home / 3,577.34-5,356.80-2,117.54

Finding the Fourth Proportional to 3,577.34, 5,356.80 and 2,117.54

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Solution

The fourth proportional to 3,577.34, 5,356.80 and 2,117.54 is: 3,170.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,577.34 : 5,356.80 = 2,117.54 : x
  2. Step 2: Convert to fraction form
    3,577.34/5,356.80 = 2,117.54/x
  3. Step 3: Cross multiply
    3,577.34x = 5,356.80 × 2,117.54
  4. Step 4: Simplify right side
    3,577.34x = 11,343,238.27
  5. Step 5: Solve for x
    x = 11,343,238.27/3,577.34
  6. Step 6: Final answer
    x = 3,170.86

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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.