Home / 2,140.38-3,211.10-601.38

Finding the Fourth Proportional to 2,140.38, 3,211.10 and 601.38

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Solution

The fourth proportional to 2,140.38, 3,211.10 and 601.38 is: 902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,140.38 : 3,211.10 = 601.38 : x
  2. Step 2: Convert to fraction form
    2,140.38/3,211.10 = 601.38/x
  3. Step 3: Cross multiply
    2,140.38x = 3,211.10 × 601.38
  4. Step 4: Simplify right side
    2,140.38x = 1,931,091.32
  5. Step 5: Solve for x
    x = 1,931,091.32/2,140.38
  6. Step 6: Final answer
    x = 902.22

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.