Home / 3,102.24-4,653.36-1,948.80

Finding the Fourth Proportional to 3,102.24, 4,653.36 and 1,948.80

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Solution

The fourth proportional to 3,102.24, 4,653.36 and 1,948.80 is: 2,923.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,102.24 : 4,653.36 = 1,948.80 : x
  2. Step 2: Convert to fraction form
    3,102.24/4,653.36 = 1,948.80/x
  3. Step 3: Cross multiply
    3,102.24x = 4,653.36 × 1,948.80
  4. Step 4: Simplify right side
    3,102.24x = 9,068,467.97
  5. Step 5: Solve for x
    x = 9,068,467.97/3,102.24
  6. Step 6: Final answer
    x = 2,923.20

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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.