Home / 2,558.92-3,839.20-1,943.32

Finding the Fourth Proportional to 2,558.92, 3,839.20 and 1,943.32

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Solution

The fourth proportional to 2,558.92, 3,839.20 and 1,943.32 is: 2,915.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,558.92 : 3,839.20 = 1,943.32 : x
  2. Step 2: Convert to fraction form
    2,558.92/3,839.20 = 1,943.32/x
  3. Step 3: Cross multiply
    2,558.92x = 3,839.20 × 1,943.32
  4. Step 4: Simplify right side
    2,558.92x = 7,460,794.14
  5. Step 5: Solve for x
    x = 7,460,794.14/2,558.92
  6. Step 6: Final answer
    x = 2,915.60

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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.