Home / 2,237.28-3,087.80-2,138.84

Finding the Fourth Proportional to 2,237.28, 3,087.80 and 2,138.84

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Solution

The fourth proportional to 2,237.28, 3,087.80 and 2,138.84 is: 2,951.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,237.28 : 3,087.80 = 2,138.84 : x
  2. Step 2: Convert to fraction form
    2,237.28/3,087.80 = 2,138.84/x
  3. Step 3: Cross multiply
    2,237.28x = 3,087.80 × 2,138.84
  4. Step 4: Simplify right side
    2,237.28x = 6,604,310.15
  5. Step 5: Solve for x
    x = 6,604,310.15/2,237.28
  6. Step 6: Final answer
    x = 2,951.94

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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.