Home / 2,199.51-3,035.19-1,204.80

Finding the Fourth Proportional to 2,199.51, 3,035.19 and 1,204.80

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Solution

The fourth proportional to 2,199.51, 3,035.19 and 1,204.80 is: 1,662.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.51 : 3,035.19 = 1,204.80 : x
  2. Step 2: Convert to fraction form
    2,199.51/3,035.19 = 1,204.80/x
  3. Step 3: Cross multiply
    2,199.51x = 3,035.19 × 1,204.80
  4. Step 4: Simplify right side
    2,199.51x = 3,656,796.91
  5. Step 5: Solve for x
    x = 3,656,796.91/2,199.51
  6. Step 6: Final answer
    x = 1,662.55

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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.