Home / 3,036.22-4,554.36-1,280.75

Finding the Fourth Proportional to 3,036.22, 4,554.36 and 1,280.75

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Solution

The fourth proportional to 3,036.22, 4,554.36 and 1,280.75 is: 1,921.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.22 : 4,554.36 = 1,280.75 : x
  2. Step 2: Convert to fraction form
    3,036.22/4,554.36 = 1,280.75/x
  3. Step 3: Cross multiply
    3,036.22x = 4,554.36 × 1,280.75
  4. Step 4: Simplify right side
    3,036.22x = 5,832,973.80
  5. Step 5: Solve for x
    x = 5,832,973.80/3,036.22
  6. Step 6: Final answer
    x = 1,921.13

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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.