Home / 2,269.38-3,388.19-2,130.33

Finding the Fourth Proportional to 2,269.38, 3,388.19 and 2,130.33

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Solution

The fourth proportional to 2,269.38, 3,388.19 and 2,130.33 is: 3,180.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,269.38 : 3,388.19 = 2,130.33 : x
  2. Step 2: Convert to fraction form
    2,269.38/3,388.19 = 2,130.33/x
  3. Step 3: Cross multiply
    2,269.38x = 3,388.19 × 2,130.33
  4. Step 4: Simplify right side
    2,269.38x = 7,217,952.15
  5. Step 5: Solve for x
    x = 7,217,952.15/2,269.38
  6. Step 6: Final answer
    x = 3,180.58

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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.