Home / 2,863.09-3,951.46-2,068.98

Finding the Fourth Proportional to 2,863.09, 3,951.46 and 2,068.98

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Solution

The fourth proportional to 2,863.09, 3,951.46 and 2,068.98 is: 2,855.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,863.09 : 3,951.46 = 2,068.98 : x
  2. Step 2: Convert to fraction form
    2,863.09/3,951.46 = 2,068.98/x
  3. Step 3: Cross multiply
    2,863.09x = 3,951.46 × 2,068.98
  4. Step 4: Simplify right side
    2,863.09x = 8,175,491.71
  5. Step 5: Solve for x
    x = 8,175,491.71/2,863.09
  6. Step 6: Final answer
    x = 2,855.48

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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.