Home / 1,541.75-2,305.13-1,313.33

Finding the Fourth Proportional to 1,541.75, 2,305.13 and 1,313.33

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Solution

The fourth proportional to 1,541.75, 2,305.13 and 1,313.33 is: 1,963.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,541.75 : 2,305.13 = 1,313.33 : x
  2. Step 2: Convert to fraction form
    1,541.75/2,305.13 = 1,313.33/x
  3. Step 3: Cross multiply
    1,541.75x = 2,305.13 × 1,313.33
  4. Step 4: Simplify right side
    1,541.75x = 3,027,378.29
  5. Step 5: Solve for x
    x = 3,027,378.29/1,541.75
  6. Step 6: Final answer
    x = 1,963.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.