Home / 3,501.22-4,831.89-1,929.40

Finding the Fourth Proportional to 3,501.22, 4,831.89 and 1,929.40

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Solution

The fourth proportional to 3,501.22, 4,831.89 and 1,929.40 is: 2,662.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.22 : 4,831.89 = 1,929.40 : x
  2. Step 2: Convert to fraction form
    3,501.22/4,831.89 = 1,929.40/x
  3. Step 3: Cross multiply
    3,501.22x = 4,831.89 × 1,929.40
  4. Step 4: Simplify right side
    3,501.22x = 9,322,648.57
  5. Step 5: Solve for x
    x = 9,322,648.57/3,501.22
  6. Step 6: Final answer
    x = 2,662.69

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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.