Home / 2,135.02-2,948.36-2,018.54

Finding the Fourth Proportional to 2,135.02, 2,948.36 and 2,018.54

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Solution

The fourth proportional to 2,135.02, 2,948.36 and 2,018.54 is: 2,787.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.02 : 2,948.36 = 2,018.54 : x
  2. Step 2: Convert to fraction form
    2,135.02/2,948.36 = 2,018.54/x
  3. Step 3: Cross multiply
    2,135.02x = 2,948.36 × 2,018.54
  4. Step 4: Simplify right side
    2,135.02x = 5,951,375.66
  5. Step 5: Solve for x
    x = 5,951,375.66/2,135.02
  6. Step 6: Final answer
    x = 2,787.50

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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.