Home / 2,094.18-3,140.70-633.38

Finding the Fourth Proportional to 2,094.18, 3,140.70 and 633.38

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Solution

The fourth proportional to 2,094.18, 3,140.70 and 633.38 is: 949.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,094.18 : 3,140.70 = 633.38 : x
  2. Step 2: Convert to fraction form
    2,094.18/3,140.70 = 633.38/x
  3. Step 3: Cross multiply
    2,094.18x = 3,140.70 × 633.38
  4. Step 4: Simplify right side
    2,094.18x = 1,989,256.57
  5. Step 5: Solve for x
    x = 1,989,256.57/2,094.18
  6. Step 6: Final answer
    x = 949.90

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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.