Home / 3,111.02-4,663.62-1,161.75

Finding the Fourth Proportional to 3,111.02, 4,663.62 and 1,161.75

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Solution

The fourth proportional to 3,111.02, 4,663.62 and 1,161.75 is: 1,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,111.02 : 4,663.62 = 1,161.75 : x
  2. Step 2: Convert to fraction form
    3,111.02/4,663.62 = 1,161.75/x
  3. Step 3: Cross multiply
    3,111.02x = 4,663.62 × 1,161.75
  4. Step 4: Simplify right side
    3,111.02x = 5,417,960.54
  5. Step 5: Solve for x
    x = 5,417,960.54/3,111.02
  6. Step 6: Final answer
    x = 1,741.54

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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.