Home / 2,897.28-4,346.19-949.86

Finding the Fourth Proportional to 2,897.28, 4,346.19 and 949.86

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Solution

The fourth proportional to 2,897.28, 4,346.19 and 949.86 is: 1,424.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,897.28 : 4,346.19 = 949.86 : x
  2. Step 2: Convert to fraction form
    2,897.28/4,346.19 = 949.86/x
  3. Step 3: Cross multiply
    2,897.28x = 4,346.19 × 949.86
  4. Step 4: Simplify right side
    2,897.28x = 4,128,272.03
  5. Step 5: Solve for x
    x = 4,128,272.03/2,897.28
  6. Step 6: Final answer
    x = 1,424.88

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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.