Home / 4,274.38-5,890.50-2,945.68

Finding the Fourth Proportional to 4,274.38, 5,890.50 and 2,945.68

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Solution

The fourth proportional to 4,274.38, 5,890.50 and 2,945.68 is: 4,059.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,274.38 : 5,890.50 = 2,945.68 : x
  2. Step 2: Convert to fraction form
    4,274.38/5,890.50 = 2,945.68/x
  3. Step 3: Cross multiply
    4,274.38x = 5,890.50 × 2,945.68
  4. Step 4: Simplify right side
    4,274.38x = 17,351,528.04
  5. Step 5: Solve for x
    x = 17,351,528.04/4,274.38
  6. Step 6: Final answer
    x = 4,059.43

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Half scale
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Double scale
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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.