Home / 3,501.31-4,831.78-1,929.41

Finding the Fourth Proportional to 3,501.31, 4,831.78 and 1,929.41

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Solution

The fourth proportional to 3,501.31, 4,831.78 and 1,929.41 is: 2,662.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,501.31 : 4,831.78 = 1,929.41 : x
  2. Step 2: Convert to fraction form
    3,501.31/4,831.78 = 1,929.41/x
  3. Step 3: Cross multiply
    3,501.31x = 4,831.78 × 1,929.41
  4. Step 4: Simplify right side
    3,501.31x = 9,322,484.65
  5. Step 5: Solve for x
    x = 9,322,484.65/3,501.31
  6. Step 6: Final answer
    x = 2,662.57

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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.