Home / 2,066.16-3,099.44-679.50

Finding the Fourth Proportional to 2,066.16, 3,099.44 and 679.50

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Solution

The fourth proportional to 2,066.16, 3,099.44 and 679.50 is: 1,019.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,066.16 : 3,099.44 = 679.50 : x
  2. Step 2: Convert to fraction form
    2,066.16/3,099.44 = 679.50/x
  3. Step 3: Cross multiply
    2,066.16x = 3,099.44 × 679.50
  4. Step 4: Simplify right side
    2,066.16x = 2,106,066.08
  5. Step 5: Solve for x
    x = 2,106,066.08/2,066.16
  6. Step 6: Final answer
    x = 1,019.31

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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.