Home / 3,854.34-5,318.98-2,085.94

Finding the Fourth Proportional to 3,854.34, 5,318.98 and 2,085.94

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Solution

The fourth proportional to 3,854.34, 5,318.98 and 2,085.94 is: 2,878.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,854.34 : 5,318.98 = 2,085.94 : x
  2. Step 2: Convert to fraction form
    3,854.34/5,318.98 = 2,085.94/x
  3. Step 3: Cross multiply
    3,854.34x = 5,318.98 × 2,085.94
  4. Step 4: Simplify right side
    3,854.34x = 11,095,073.14
  5. Step 5: Solve for x
    x = 11,095,073.14/3,854.34
  6. Step 6: Final answer
    x = 2,878.59

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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.