Home / 2,322.72-3,203.21-1,577.79

Finding the Fourth Proportional to 2,322.72, 3,203.21 and 1,577.79

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Solution

The fourth proportional to 2,322.72, 3,203.21 and 1,577.79 is: 2,175.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,322.72 : 3,203.21 = 1,577.79 : x
  2. Step 2: Convert to fraction form
    2,322.72/3,203.21 = 1,577.79/x
  3. Step 3: Cross multiply
    2,322.72x = 3,203.21 × 1,577.79
  4. Step 4: Simplify right side
    2,322.72x = 5,053,996.65
  5. Step 5: Solve for x
    x = 5,053,996.65/2,322.72
  6. Step 6: Final answer
    x = 2,175.90

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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.