Home / 3,216.68-4,437.53-2,223.34

Finding the Fourth Proportional to 3,216.68, 4,437.53 and 2,223.34

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Solution

The fourth proportional to 3,216.68, 4,437.53 and 2,223.34 is: 3,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,216.68 : 4,437.53 = 2,223.34 : x
  2. Step 2: Convert to fraction form
    3,216.68/4,437.53 = 2,223.34/x
  3. Step 3: Cross multiply
    3,216.68x = 4,437.53 × 2,223.34
  4. Step 4: Simplify right side
    3,216.68x = 9,866,137.95
  5. Step 5: Solve for x
    x = 9,866,137.95/3,216.68
  6. Step 6: Final answer
    x = 3,067.18

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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.