Home / 3,220.14-4,831.59-1,371.66

Finding the Fourth Proportional to 3,220.14, 4,831.59 and 1,371.66

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Solution

The fourth proportional to 3,220.14, 4,831.59 and 1,371.66 is: 2,058.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.14 : 4,831.59 = 1,371.66 : x
  2. Step 2: Convert to fraction form
    3,220.14/4,831.59 = 1,371.66/x
  3. Step 3: Cross multiply
    3,220.14x = 4,831.59 × 1,371.66
  4. Step 4: Simplify right side
    3,220.14x = 6,627,298.74
  5. Step 5: Solve for x
    x = 6,627,298.74/3,220.14
  6. Step 6: Final answer
    x = 2,058.08

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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.