Home / 4,232.84-6,349.26-1,311.28

Finding the Fourth Proportional to 4,232.84, 6,349.26 and 1,311.28

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Solution

The fourth proportional to 4,232.84, 6,349.26 and 1,311.28 is: 1,966.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,232.84 : 6,349.26 = 1,311.28 : x
  2. Step 2: Convert to fraction form
    4,232.84/6,349.26 = 1,311.28/x
  3. Step 3: Cross multiply
    4,232.84x = 6,349.26 × 1,311.28
  4. Step 4: Simplify right side
    4,232.84x = 8,325,657.65
  5. Step 5: Solve for x
    x = 8,325,657.65/4,232.84
  6. Step 6: Final answer
    x = 1,966.92

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Half scale
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Double scale
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Similar ratio
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1.5x scale

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.