Home / 2,239.75-3,337.93-2,123.11

Finding the Fourth Proportional to 2,239.75, 3,337.93 and 2,123.11

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Solution

The fourth proportional to 2,239.75, 3,337.93 and 2,123.11 is: 3,164.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,239.75 : 3,337.93 = 2,123.11 : x
  2. Step 2: Convert to fraction form
    2,239.75/3,337.93 = 2,123.11/x
  3. Step 3: Cross multiply
    2,239.75x = 3,337.93 × 2,123.11
  4. Step 4: Simplify right side
    2,239.75x = 7,086,792.56
  5. Step 5: Solve for x
    x = 7,086,792.56/2,239.75
  6. Step 6: Final answer
    x = 3,164.10

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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.