Home / 2,199.13-3,298.19-1,087.45

Finding the Fourth Proportional to 2,199.13, 3,298.19 and 1,087.45

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Solution

The fourth proportional to 2,199.13, 3,298.19 and 1,087.45 is: 1,630.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.13 : 3,298.19 = 1,087.45 : x
  2. Step 2: Convert to fraction form
    2,199.13/3,298.19 = 1,087.45/x
  3. Step 3: Cross multiply
    2,199.13x = 3,298.19 × 1,087.45
  4. Step 4: Simplify right side
    2,199.13x = 3,586,603.03
  5. Step 5: Solve for x
    x = 3,586,603.03/2,199.13
  6. Step 6: Final answer
    x = 1,630.92

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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.