Home / 2,949.94-4,071.05-1,831.24

Finding the Fourth Proportional to 2,949.94, 4,071.05 and 1,831.24

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Solution

The fourth proportional to 2,949.94, 4,071.05 and 1,831.24 is: 2,527.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.94 : 4,071.05 = 1,831.24 : x
  2. Step 2: Convert to fraction form
    2,949.94/4,071.05 = 1,831.24/x
  3. Step 3: Cross multiply
    2,949.94x = 4,071.05 × 1,831.24
  4. Step 4: Simplify right side
    2,949.94x = 7,455,069.60
  5. Step 5: Solve for x
    x = 7,455,069.60/2,949.94
  6. Step 6: Final answer
    x = 2,527.19

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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.