Home / 2,199.81-3,296.60-1,104.94

Finding the Fourth Proportional to 2,199.81, 3,296.60 and 1,104.94

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Solution

The fourth proportional to 2,199.81, 3,296.60 and 1,104.94 is: 1,655.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.81 : 3,296.60 = 1,104.94 : x
  2. Step 2: Convert to fraction form
    2,199.81/3,296.60 = 1,104.94/x
  3. Step 3: Cross multiply
    2,199.81x = 3,296.60 × 1,104.94
  4. Step 4: Simplify right side
    2,199.81x = 3,642,547.94
  5. Step 5: Solve for x
    x = 3,642,547.94/2,199.81
  6. Step 6: Final answer
    x = 1,655.85

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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.