Home / 2,084.29-3,126.44-835.45

Finding the Fourth Proportional to 2,084.29, 3,126.44 and 835.45

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Solution

The fourth proportional to 2,084.29, 3,126.44 and 835.45 is: 1,253.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.29 : 3,126.44 = 835.45 : x
  2. Step 2: Convert to fraction form
    2,084.29/3,126.44 = 835.45/x
  3. Step 3: Cross multiply
    2,084.29x = 3,126.44 × 835.45
  4. Step 4: Simplify right side
    2,084.29x = 2,611,979.73
  5. Step 5: Solve for x
    x = 2,611,979.73/2,084.29
  6. Step 6: Final answer
    x = 1,253.17

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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.