Home / 3,541.92-4,887.30-1,969.71

Finding the Fourth Proportional to 3,541.92, 4,887.30 and 1,969.71

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Solution

The fourth proportional to 3,541.92, 4,887.30 and 1,969.71 is: 2,717.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,541.92 : 4,887.30 = 1,969.71 : x
  2. Step 2: Convert to fraction form
    3,541.92/4,887.30 = 1,969.71/x
  3. Step 3: Cross multiply
    3,541.92x = 4,887.30 × 1,969.71
  4. Step 4: Simplify right side
    3,541.92x = 9,626,563.68
  5. Step 5: Solve for x
    x = 9,626,563.68/3,541.92
  6. Step 6: Final answer
    x = 2,717.89

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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.