Home / 2,321.80-3,202.21-2,041.44

Finding the Fourth Proportional to 2,321.80, 3,202.21 and 2,041.44

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Solution

The fourth proportional to 2,321.80, 3,202.21 and 2,041.44 is: 2,815.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,321.80 : 3,202.21 = 2,041.44 : x
  2. Step 2: Convert to fraction form
    2,321.80/3,202.21 = 2,041.44/x
  3. Step 3: Cross multiply
    2,321.80x = 3,202.21 × 2,041.44
  4. Step 4: Simplify right side
    2,321.80x = 6,537,098.47
  5. Step 5: Solve for x
    x = 6,537,098.47/2,321.80
  6. Step 6: Final answer
    x = 2,815.54

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1.5x scale

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.