Home / 1,815.16-2,722.50-1,508.98

Finding the Fourth Proportional to 1,815.16, 2,722.50 and 1,508.98

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Solution

The fourth proportional to 1,815.16, 2,722.50 and 1,508.98 is: 2,263.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,815.16 : 2,722.50 = 1,508.98 : x
  2. Step 2: Convert to fraction form
    1,815.16/2,722.50 = 1,508.98/x
  3. Step 3: Cross multiply
    1,815.16x = 2,722.50 × 1,508.98
  4. Step 4: Simplify right side
    1,815.16x = 4,108,198.05
  5. Step 5: Solve for x
    x = 4,108,198.05/1,815.16
  6. Step 6: Final answer
    x = 2,263.27

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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.