Home / 2,949.11-4,071.62-1,831.66

Finding the Fourth Proportional to 2,949.11, 4,071.62 and 1,831.66

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Solution

The fourth proportional to 2,949.11, 4,071.62 and 1,831.66 is: 2,528.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,949.11 : 4,071.62 = 1,831.66 : x
  2. Step 2: Convert to fraction form
    2,949.11/4,071.62 = 1,831.66/x
  3. Step 3: Cross multiply
    2,949.11x = 4,071.62 × 1,831.66
  4. Step 4: Simplify right side
    2,949.11x = 7,457,830.49
  5. Step 5: Solve for x
    x = 7,457,830.49/2,949.11
  6. Step 6: Final answer
    x = 2,528.84

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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.