Home / 3,169.09-4,753.02-1,221.04

Finding the Fourth Proportional to 3,169.09, 4,753.02 and 1,221.04

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Solution

The fourth proportional to 3,169.09, 4,753.02 and 1,221.04 is: 1,831.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,169.09 : 4,753.02 = 1,221.04 : x
  2. Step 2: Convert to fraction form
    3,169.09/4,753.02 = 1,221.04/x
  3. Step 3: Cross multiply
    3,169.09x = 4,753.02 × 1,221.04
  4. Step 4: Simplify right side
    3,169.09x = 5,803,603.78
  5. Step 5: Solve for x
    x = 5,803,603.78/3,169.09
  6. Step 6: Final answer
    x = 1,831.32

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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.