Home / 4,184.80-5,775.24-2,321.92

Finding the Fourth Proportional to 4,184.80, 5,775.24 and 2,321.92

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Solution

The fourth proportional to 4,184.80, 5,775.24 and 2,321.92 is: 3,204.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,184.80 : 5,775.24 = 2,321.92 : x
  2. Step 2: Convert to fraction form
    4,184.80/5,775.24 = 2,321.92/x
  3. Step 3: Cross multiply
    4,184.80x = 5,775.24 × 2,321.92
  4. Step 4: Simplify right side
    4,184.80x = 13,409,645.26
  5. Step 5: Solve for x
    x = 13,409,645.26/4,184.80
  6. Step 6: Final answer
    x = 3,204.37

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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.