Home / 2,764.61-3,815.11-1,522.61

Finding the Fourth Proportional to 2,764.61, 3,815.11 and 1,522.61

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Solution

The fourth proportional to 2,764.61, 3,815.11 and 1,522.61 is: 2,101.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.61 : 3,815.11 = 1,522.61 : x
  2. Step 2: Convert to fraction form
    2,764.61/3,815.11 = 1,522.61/x
  3. Step 3: Cross multiply
    2,764.61x = 3,815.11 × 1,522.61
  4. Step 4: Simplify right side
    2,764.61x = 5,808,924.64
  5. Step 5: Solve for x
    x = 5,808,924.64/2,764.61
  6. Step 6: Final answer
    x = 2,101.17

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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.