Home / 2,239.38-3,336.57-2,113.63

Finding the Fourth Proportional to 2,239.38, 3,336.57 and 2,113.63

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Solution

The fourth proportional to 2,239.38, 3,336.57 and 2,113.63 is: 3,149.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.38 : 3,336.57 = 2,113.63 : x
  2. Step 2: Convert to fraction form
    2,239.38/3,336.57 = 2,113.63/x
  3. Step 3: Cross multiply
    2,239.38x = 3,336.57 × 2,113.63
  4. Step 4: Simplify right side
    2,239.38x = 7,052,247.20
  5. Step 5: Solve for x
    x = 7,052,247.20/2,239.38
  6. Step 6: Final answer
    x = 3,149.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.