Home / 2,084.33-3,124.19-851.45

Finding the Fourth Proportional to 2,084.33, 3,124.19 and 851.45

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Solution

The fourth proportional to 2,084.33, 3,124.19 and 851.45 is: 1,276.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,084.33 : 3,124.19 = 851.45 : x
  2. Step 2: Convert to fraction form
    2,084.33/3,124.19 = 851.45/x
  3. Step 3: Cross multiply
    2,084.33x = 3,124.19 × 851.45
  4. Step 4: Simplify right side
    2,084.33x = 2,660,071.70
  5. Step 5: Solve for x
    x = 2,660,071.70/2,084.33
  6. Step 6: Final answer
    x = 1,276.23

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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.