Home / 2,050.62-3,075.21-818.34

Finding the Fourth Proportional to 2,050.62, 3,075.21 and 818.34

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Solution

The fourth proportional to 2,050.62, 3,075.21 and 818.34 is: 1,227.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,050.62 : 3,075.21 = 818.34 : x
  2. Step 2: Convert to fraction form
    2,050.62/3,075.21 = 818.34/x
  3. Step 3: Cross multiply
    2,050.62x = 3,075.21 × 818.34
  4. Step 4: Simplify right side
    2,050.62x = 2,516,567.35
  5. Step 5: Solve for x
    x = 2,516,567.35/2,050.62
  6. Step 6: Final answer
    x = 1,227.22

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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.