Home / 3,605.27-4,973.88-2,188.44

Finding the Fourth Proportional to 3,605.27, 4,973.88 and 2,188.44

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Solution

The fourth proportional to 3,605.27, 4,973.88 and 2,188.44 is: 3,019.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.27 : 4,973.88 = 2,188.44 : x
  2. Step 2: Convert to fraction form
    3,605.27/4,973.88 = 2,188.44/x
  3. Step 3: Cross multiply
    3,605.27x = 4,973.88 × 2,188.44
  4. Step 4: Simplify right side
    3,605.27x = 10,885,037.95
  5. Step 5: Solve for x
    x = 10,885,037.95/3,605.27
  6. Step 6: Final answer
    x = 3,019.21

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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.