Home / 2,671.19-3,687.48-1,787.57

Finding the Fourth Proportional to 2,671.19, 3,687.48 and 1,787.57

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Solution

The fourth proportional to 2,671.19, 3,687.48 and 1,787.57 is: 2,467.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,671.19 : 3,687.48 = 1,787.57 : x
  2. Step 2: Convert to fraction form
    2,671.19/3,687.48 = 1,787.57/x
  3. Step 3: Cross multiply
    2,671.19x = 3,687.48 × 1,787.57
  4. Step 4: Simplify right side
    2,671.19x = 6,591,610.19
  5. Step 5: Solve for x
    x = 6,591,610.19/2,671.19
  6. Step 6: Final answer
    x = 2,467.67

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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.