Home / 2,221.32-3,331.23-1,603.19

Finding the Fourth Proportional to 2,221.32, 3,331.23 and 1,603.19

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Solution

The fourth proportional to 2,221.32, 3,331.23 and 1,603.19 is: 2,404.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.32 : 3,331.23 = 1,603.19 : x
  2. Step 2: Convert to fraction form
    2,221.32/3,331.23 = 1,603.19/x
  3. Step 3: Cross multiply
    2,221.32x = 3,331.23 × 1,603.19
  4. Step 4: Simplify right side
    2,221.32x = 5,340,596.94
  5. Step 5: Solve for x
    x = 5,340,596.94/2,221.32
  6. Step 6: Final answer
    x = 2,404.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.