Home / 2,199.39-3,035.15-1,204.68

Finding the Fourth Proportional to 2,199.39, 3,035.15 and 1,204.68

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Solution

The fourth proportional to 2,199.39, 3,035.15 and 1,204.68 is: 1,662.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.39 : 3,035.15 = 1,204.68 : x
  2. Step 2: Convert to fraction form
    2,199.39/3,035.15 = 1,204.68/x
  3. Step 3: Cross multiply
    2,199.39x = 3,035.15 × 1,204.68
  4. Step 4: Simplify right side
    2,199.39x = 3,656,394.38
  5. Step 5: Solve for x
    x = 3,656,394.38/2,199.39
  6. Step 6: Final answer
    x = 1,662.46

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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.