Home / 3,863.76-5,331.98-2,095.35

Finding the Fourth Proportional to 3,863.76, 5,331.98 and 2,095.35

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Solution

The fourth proportional to 3,863.76, 5,331.98 and 2,095.35 is: 2,891.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,863.76 : 5,331.98 = 2,095.35 : x
  2. Step 2: Convert to fraction form
    3,863.76/5,331.98 = 2,095.35/x
  3. Step 3: Cross multiply
    3,863.76x = 5,331.98 × 2,095.35
  4. Step 4: Simplify right side
    3,863.76x = 11,172,364.29
  5. Step 5: Solve for x
    x = 11,172,364.29/3,863.76
  6. Step 6: Final answer
    x = 2,891.58

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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.