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Finding the Fourth Proportional to 2,216.02, 3,059.02 and 1,331.65

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Solution

The fourth proportional to 2,216.02, 3,059.02 and 1,331.65 is: 1,838.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.02 : 3,059.02 = 1,331.65 : x
  2. Step 2: Convert to fraction form
    2,216.02/3,059.02 = 1,331.65/x
  3. Step 3: Cross multiply
    2,216.02x = 3,059.02 × 1,331.65
  4. Step 4: Simplify right side
    2,216.02x = 4,073,533.38
  5. Step 5: Solve for x
    x = 4,073,533.38/2,216.02
  6. Step 6: Final answer
    x = 1,838.22

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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.