Home / 3,551.16-5,327.40-1,211.07

Finding the Fourth Proportional to 3,551.16, 5,327.40 and 1,211.07

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Solution

The fourth proportional to 3,551.16, 5,327.40 and 1,211.07 is: 1,816.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,551.16 : 5,327.40 = 1,211.07 : x
  2. Step 2: Convert to fraction form
    3,551.16/5,327.40 = 1,211.07/x
  3. Step 3: Cross multiply
    3,551.16x = 5,327.40 × 1,211.07
  4. Step 4: Simplify right side
    3,551.16x = 6,451,854.32
  5. Step 5: Solve for x
    x = 6,451,854.32/3,551.16
  6. Step 6: Final answer
    x = 1,816.83

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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.