Home / 3,089.97-4,262.02-1,910.34

Finding the Fourth Proportional to 3,089.97, 4,262.02 and 1,910.34

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Solution

The fourth proportional to 3,089.97, 4,262.02 and 1,910.34 is: 2,634.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.97 : 4,262.02 = 1,910.34 : x
  2. Step 2: Convert to fraction form
    3,089.97/4,262.02 = 1,910.34/x
  3. Step 3: Cross multiply
    3,089.97x = 4,262.02 × 1,910.34
  4. Step 4: Simplify right side
    3,089.97x = 8,141,902.51
  5. Step 5: Solve for x
    x = 8,141,902.51/3,089.97
  6. Step 6: Final answer
    x = 2,634.95

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Half scale
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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.