Home / 2,199.69-3,035.53-1,204.97

Finding the Fourth Proportional to 2,199.69, 3,035.53 and 1,204.97

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Solution

The fourth proportional to 2,199.69, 3,035.53 and 1,204.97 is: 1,662.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.69 : 3,035.53 = 1,204.97 : x
  2. Step 2: Convert to fraction form
    2,199.69/3,035.53 = 1,204.97/x
  3. Step 3: Cross multiply
    2,199.69x = 3,035.53 × 1,204.97
  4. Step 4: Simplify right side
    2,199.69x = 3,657,707.41
  5. Step 5: Solve for x
    x = 3,657,707.41/2,199.69
  6. Step 6: Final answer
    x = 1,662.83

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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.