Home / 1,632.81-2,252.66-1,208.45

Finding the Fourth Proportional to 1,632.81, 2,252.66 and 1,208.45

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Solution

The fourth proportional to 1,632.81, 2,252.66 and 1,208.45 is: 1,667.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,632.81 : 2,252.66 = 1,208.45 : x
  2. Step 2: Convert to fraction form
    1,632.81/2,252.66 = 1,208.45/x
  3. Step 3: Cross multiply
    1,632.81x = 2,252.66 × 1,208.45
  4. Step 4: Simplify right side
    1,632.81x = 2,722,226.57
  5. Step 5: Solve for x
    x = 2,722,226.57/1,632.81
  6. Step 6: Final answer
    x = 1,667.20

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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.