Home / 2,983.71-4,120.29-2,541.45

Finding the Fourth Proportional to 2,983.71, 4,120.29 and 2,541.45

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Solution

The fourth proportional to 2,983.71, 4,120.29 and 2,541.45 is: 3,509.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,983.71 : 4,120.29 = 2,541.45 : x
  2. Step 2: Convert to fraction form
    2,983.71/4,120.29 = 2,541.45/x
  3. Step 3: Cross multiply
    2,983.71x = 4,120.29 × 2,541.45
  4. Step 4: Simplify right side
    2,983.71x = 10,471,511.02
  5. Step 5: Solve for x
    x = 10,471,511.02/2,983.71
  6. Step 6: Final answer
    x = 3,509.56

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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.