Home / 3,059.28-4,226.76-2,131.92

Finding the Fourth Proportional to 3,059.28, 4,226.76 and 2,131.92

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Solution

The fourth proportional to 3,059.28, 4,226.76 and 2,131.92 is: 2,945.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,059.28 : 4,226.76 = 2,131.92 : x
  2. Step 2: Convert to fraction form
    3,059.28/4,226.76 = 2,131.92/x
  3. Step 3: Cross multiply
    3,059.28x = 4,226.76 × 2,131.92
  4. Step 4: Simplify right side
    3,059.28x = 9,011,114.18
  5. Step 5: Solve for x
    x = 9,011,114.18/3,059.28
  6. Step 6: Final answer
    x = 2,945.50

Related Problems

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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.