Home / 2,404.22-3,312.66-1,616.90

Finding the Fourth Proportional to 2,404.22, 3,312.66 and 1,616.90

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Solution

The fourth proportional to 2,404.22, 3,312.66 and 1,616.90 is: 2,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,404.22 : 3,312.66 = 1,616.90 : x
  2. Step 2: Convert to fraction form
    2,404.22/3,312.66 = 1,616.90/x
  3. Step 3: Cross multiply
    2,404.22x = 3,312.66 × 1,616.90
  4. Step 4: Simplify right side
    2,404.22x = 5,356,223.39
  5. Step 5: Solve for x
    x = 5,356,223.39/2,404.22
  6. Step 6: Final answer
    x = 2,227.85

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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.