Home / 2,745.02-3,787.17-1,905.50

Finding the Fourth Proportional to 2,745.02, 3,787.17 and 1,905.50

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Solution

The fourth proportional to 2,745.02, 3,787.17 and 1,905.50 is: 2,628.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,745.02 : 3,787.17 = 1,905.50 : x
  2. Step 2: Convert to fraction form
    2,745.02/3,787.17 = 1,905.50/x
  3. Step 3: Cross multiply
    2,745.02x = 3,787.17 × 1,905.50
  4. Step 4: Simplify right side
    2,745.02x = 7,216,452.44
  5. Step 5: Solve for x
    x = 7,216,452.44/2,745.02
  6. Step 6: Final answer
    x = 2,628.93

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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.