Home / 2,541.57-3,812.35-1,309.33

Finding the Fourth Proportional to 2,541.57, 3,812.35 and 1,309.33

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Solution

The fourth proportional to 2,541.57, 3,812.35 and 1,309.33 is: 1,963.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,541.57 : 3,812.35 = 1,309.33 : x
  2. Step 2: Convert to fraction form
    2,541.57/3,812.35 = 1,309.33/x
  3. Step 3: Cross multiply
    2,541.57x = 3,812.35 × 1,309.33
  4. Step 4: Simplify right side
    2,541.57x = 4,991,617.68
  5. Step 5: Solve for x
    x = 4,991,617.68/2,541.57
  6. Step 6: Final answer
    x = 1,963.99

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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.