Home / 2,239.52-3,090.39-1,244.75

Finding the Fourth Proportional to 2,239.52, 3,090.39 and 1,244.75

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Solution

The fourth proportional to 2,239.52, 3,090.39 and 1,244.75 is: 1,717.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.52 : 3,090.39 = 1,244.75 : x
  2. Step 2: Convert to fraction form
    2,239.52/3,090.39 = 1,244.75/x
  3. Step 3: Cross multiply
    2,239.52x = 3,090.39 × 1,244.75
  4. Step 4: Simplify right side
    2,239.52x = 3,846,747.50
  5. Step 5: Solve for x
    x = 3,846,747.50/2,239.52
  6. Step 6: Final answer
    x = 1,717.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.