Home / 3,616.44-4,988.88-2,289.66

Finding the Fourth Proportional to 3,616.44, 4,988.88 and 2,289.66

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Solution

The fourth proportional to 3,616.44, 4,988.88 and 2,289.66 is: 3,158.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.44 : 4,988.88 = 2,289.66 : x
  2. Step 2: Convert to fraction form
    3,616.44/4,988.88 = 2,289.66/x
  3. Step 3: Cross multiply
    3,616.44x = 4,988.88 × 2,289.66
  4. Step 4: Simplify right side
    3,616.44x = 11,422,838.98
  5. Step 5: Solve for x
    x = 11,422,838.98/3,616.44
  6. Step 6: Final answer
    x = 3,158.59

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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.