Home / 2,815.71-4,226.28-2,083.06

Finding the Fourth Proportional to 2,815.71, 4,226.28 and 2,083.06

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Solution

The fourth proportional to 2,815.71, 4,226.28 and 2,083.06 is: 3,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,815.71 : 4,226.28 = 2,083.06 : x
  2. Step 2: Convert to fraction form
    2,815.71/4,226.28 = 2,083.06/x
  3. Step 3: Cross multiply
    2,815.71x = 4,226.28 × 2,083.06
  4. Step 4: Simplify right side
    2,815.71x = 8,803,594.82
  5. Step 5: Solve for x
    x = 8,803,594.82/2,815.71
  6. Step 6: Final answer
    x = 3,126.60

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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.