Home / 3,212.55-4,427.19-2,216.01

Finding the Fourth Proportional to 3,212.55, 4,427.19 and 2,216.01

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Solution

The fourth proportional to 3,212.55, 4,427.19 and 2,216.01 is: 3,053.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.55 : 4,427.19 = 2,216.01 : x
  2. Step 2: Convert to fraction form
    3,212.55/4,427.19 = 2,216.01/x
  3. Step 3: Cross multiply
    3,212.55x = 4,427.19 × 2,216.01
  4. Step 4: Simplify right side
    3,212.55x = 9,810,697.31
  5. Step 5: Solve for x
    x = 9,810,697.31/3,212.55
  6. Step 6: Final answer
    x = 3,053.87

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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.