Home / 3,036.07-4,554.11-1,087.21

Finding the Fourth Proportional to 3,036.07, 4,554.11 and 1,087.21

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Solution

The fourth proportional to 3,036.07, 4,554.11 and 1,087.21 is: 1,630.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.07 : 4,554.11 = 1,087.21 : x
  2. Step 2: Convert to fraction form
    3,036.07/4,554.11 = 1,087.21/x
  3. Step 3: Cross multiply
    3,036.07x = 4,554.11 × 1,087.21
  4. Step 4: Simplify right side
    3,036.07x = 4,951,273.93
  5. Step 5: Solve for x
    x = 4,951,273.93/3,036.07
  6. Step 6: Final answer
    x = 1,630.82

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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.