Home / 2,199.15-3,299.77-1,104.28

Finding the Fourth Proportional to 2,199.15, 3,299.77 and 1,104.28

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Solution

The fourth proportional to 2,199.15, 3,299.77 and 1,104.28 is: 1,656.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.15 : 3,299.77 = 1,104.28 : x
  2. Step 2: Convert to fraction form
    2,199.15/3,299.77 = 1,104.28/x
  3. Step 3: Cross multiply
    2,199.15x = 3,299.77 × 1,104.28
  4. Step 4: Simplify right side
    2,199.15x = 3,643,881.71
  5. Step 5: Solve for x
    x = 3,643,881.71/2,199.15
  6. Step 6: Final answer
    x = 1,656.95

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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.