Home / 2,201.19-3,301.38-740.31

Finding the Fourth Proportional to 2,201.19, 3,301.38 and 740.31

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Solution

The fourth proportional to 2,201.19, 3,301.38 and 740.31 is: 1,110.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201.19 : 3,301.38 = 740.31 : x
  2. Step 2: Convert to fraction form
    2,201.19/3,301.38 = 740.31/x
  3. Step 3: Cross multiply
    2,201.19x = 3,301.38 × 740.31
  4. Step 4: Simplify right side
    2,201.19x = 2,444,044.63
  5. Step 5: Solve for x
    x = 2,444,044.63/2,201.19
  6. Step 6: Final answer
    x = 1,110.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.