Home / 3,331.36-4,995.40-2,099.76

Finding the Fourth Proportional to 3,331.36, 4,995.40 and 2,099.76

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Solution

The fourth proportional to 3,331.36, 4,995.40 and 2,099.76 is: 3,148.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,331.36 : 4,995.40 = 2,099.76 : x
  2. Step 2: Convert to fraction form
    3,331.36/4,995.40 = 2,099.76/x
  3. Step 3: Cross multiply
    3,331.36x = 4,995.40 × 2,099.76
  4. Step 4: Simplify right side
    3,331.36x = 10,489,141.10
  5. Step 5: Solve for x
    x = 10,489,141.10/3,331.36
  6. Step 6: Final answer
    x = 3,148.61

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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.