Home / 3,008.88-4,513.36-1,276.32

Finding the Fourth Proportional to 3,008.88, 4,513.36 and 1,276.32

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Solution

The fourth proportional to 3,008.88, 4,513.36 and 1,276.32 is: 1,914.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,008.88 : 4,513.36 = 1,276.32 : x
  2. Step 2: Convert to fraction form
    3,008.88/4,513.36 = 1,276.32/x
  3. Step 3: Cross multiply
    3,008.88x = 4,513.36 × 1,276.32
  4. Step 4: Simplify right side
    3,008.88x = 5,760,491.64
  5. Step 5: Solve for x
    x = 5,760,491.64/3,008.88
  6. Step 6: Final answer
    x = 1,914.50

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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.