Home / 2,348.20-3,240.03-1,787.68

Finding the Fourth Proportional to 2,348.20, 3,240.03 and 1,787.68

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Solution

The fourth proportional to 2,348.20, 3,240.03 and 1,787.68 is: 2,466.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,348.20 : 3,240.03 = 1,787.68 : x
  2. Step 2: Convert to fraction form
    2,348.20/3,240.03 = 1,787.68/x
  3. Step 3: Cross multiply
    2,348.20x = 3,240.03 × 1,787.68
  4. Step 4: Simplify right side
    2,348.20x = 5,792,136.83
  5. Step 5: Solve for x
    x = 5,792,136.83/2,348.20
  6. Step 6: Final answer
    x = 2,466.63

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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.