Home / 2,211.68-3,318.74-1,567.73

Finding the Fourth Proportional to 2,211.68, 3,318.74 and 1,567.73

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Solution

The fourth proportional to 2,211.68, 3,318.74 and 1,567.73 is: 2,352.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.68 : 3,318.74 = 1,567.73 : x
  2. Step 2: Convert to fraction form
    2,211.68/3,318.74 = 1,567.73/x
  3. Step 3: Cross multiply
    2,211.68x = 3,318.74 × 1,567.73
  4. Step 4: Simplify right side
    2,211.68x = 5,202,888.26
  5. Step 5: Solve for x
    x = 5,202,888.26/2,211.68
  6. Step 6: Final answer
    x = 2,352.46

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1.5x scale

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.