Home / 2,905.52-4,010.31-1,787.18

Finding the Fourth Proportional to 2,905.52, 4,010.31 and 1,787.18

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Solution

The fourth proportional to 2,905.52, 4,010.31 and 1,787.18 is: 2,466.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,905.52 : 4,010.31 = 1,787.18 : x
  2. Step 2: Convert to fraction form
    2,905.52/4,010.31 = 1,787.18/x
  3. Step 3: Cross multiply
    2,905.52x = 4,010.31 × 1,787.18
  4. Step 4: Simplify right side
    2,905.52x = 7,167,125.77
  5. Step 5: Solve for x
    x = 7,167,125.77/2,905.52
  6. Step 6: Final answer
    x = 2,466.73

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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.