Home / 2,211.27-3,316.92-750.03

Finding the Fourth Proportional to 2,211.27, 3,316.92 and 750.03

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Solution

The fourth proportional to 2,211.27, 3,316.92 and 750.03 is: 1,125.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,211.27 : 3,316.92 = 750.03 : x
  2. Step 2: Convert to fraction form
    2,211.27/3,316.92 = 750.03/x
  3. Step 3: Cross multiply
    2,211.27x = 3,316.92 × 750.03
  4. Step 4: Simplify right side
    2,211.27x = 2,487,789.51
  5. Step 5: Solve for x
    x = 2,487,789.51/2,211.27
  6. Step 6: Final answer
    x = 1,125.05

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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.