Home / 2,203.02-3,040.17-1,208.31

Finding the Fourth Proportional to 2,203.02, 3,040.17 and 1,208.31

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Solution

The fourth proportional to 2,203.02, 3,040.17 and 1,208.31 is: 1,667.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,203.02 : 3,040.17 = 1,208.31 : x
  2. Step 2: Convert to fraction form
    2,203.02/3,040.17 = 1,208.31/x
  3. Step 3: Cross multiply
    2,203.02x = 3,040.17 × 1,208.31
  4. Step 4: Simplify right side
    2,203.02x = 3,673,467.81
  5. Step 5: Solve for x
    x = 3,673,467.81/2,203.02
  6. Step 6: Final answer
    x = 1,667.47

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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.