Home / 2,885.52-3,982.82-1,706.97

Finding the Fourth Proportional to 2,885.52, 3,982.82 and 1,706.97

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Solution

The fourth proportional to 2,885.52, 3,982.82 and 1,706.97 is: 2,356.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,885.52 : 3,982.82 = 1,706.97 : x
  2. Step 2: Convert to fraction form
    2,885.52/3,982.82 = 1,706.97/x
  3. Step 3: Cross multiply
    2,885.52x = 3,982.82 × 1,706.97
  4. Step 4: Simplify right side
    2,885.52x = 6,798,545.72
  5. Step 5: Solve for x
    x = 6,798,545.72/2,885.52
  6. Step 6: Final answer
    x = 2,356.09

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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.