Home / 2,950.91-4,071.25-1,831.45

Finding the Fourth Proportional to 2,950.91, 4,071.25 and 1,831.45

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Solution

The fourth proportional to 2,950.91, 4,071.25 and 1,831.45 is: 2,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,950.91 : 4,071.25 = 1,831.45 : x
  2. Step 2: Convert to fraction form
    2,950.91/4,071.25 = 1,831.45/x
  3. Step 3: Cross multiply
    2,950.91x = 4,071.25 × 1,831.45
  4. Step 4: Simplify right side
    2,950.91x = 7,456,290.81
  5. Step 5: Solve for x
    x = 7,456,290.81/2,950.91
  6. Step 6: Final answer
    x = 2,526.78

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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.