Home / 3,224.32-4,837.12-1,276.16

Finding the Fourth Proportional to 3,224.32, 4,837.12 and 1,276.16

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Solution

The fourth proportional to 3,224.32, 4,837.12 and 1,276.16 is: 1,914.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,224.32 : 4,837.12 = 1,276.16 : x
  2. Step 2: Convert to fraction form
    3,224.32/4,837.12 = 1,276.16/x
  3. Step 3: Cross multiply
    3,224.32x = 4,837.12 × 1,276.16
  4. Step 4: Simplify right side
    3,224.32x = 6,172,939.06
  5. Step 5: Solve for x
    x = 6,172,939.06/3,224.32
  6. Step 6: Final answer
    x = 1,914.49

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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.