Home / 2,050.11-3,075.17-817.56

Finding the Fourth Proportional to 2,050.11, 3,075.17 and 817.56

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Solution

The fourth proportional to 2,050.11, 3,075.17 and 817.56 is: 1,226.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.11 : 3,075.17 = 817.56 : x
  2. Step 2: Convert to fraction form
    2,050.11/3,075.17 = 817.56/x
  3. Step 3: Cross multiply
    2,050.11x = 3,075.17 × 817.56
  4. Step 4: Simplify right side
    2,050.11x = 2,514,131.90
  5. Step 5: Solve for x
    x = 2,514,131.90/2,050.11
  6. Step 6: Final answer
    x = 1,226.34

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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.