Home / 2,848.52-3,932.78-1,787.74

Finding the Fourth Proportional to 2,848.52, 3,932.78 and 1,787.74

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Solution

The fourth proportional to 2,848.52, 3,932.78 and 1,787.74 is: 2,468.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,848.52 : 3,932.78 = 1,787.74 : x
  2. Step 2: Convert to fraction form
    2,848.52/3,932.78 = 1,787.74/x
  3. Step 3: Cross multiply
    2,848.52x = 3,932.78 × 1,787.74
  4. Step 4: Simplify right side
    2,848.52x = 7,030,788.12
  5. Step 5: Solve for x
    x = 7,030,788.12/2,848.52
  6. Step 6: Final answer
    x = 2,468.22

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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.