Home / 4,087.87-5,637.67-2,671

Finding the Fourth Proportional to 4,087.87, 5,637.67 and 2,671

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Solution

The fourth proportional to 4,087.87, 5,637.67 and 2,671 is: 3,683.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,087.87 : 5,637.67 = 2,671 : x
  2. Step 2: Convert to fraction form
    4,087.87/5,637.67 = 2,671/x
  3. Step 3: Cross multiply
    4,087.87x = 5,637.67 × 2,671
  4. Step 4: Simplify right side
    4,087.87x = 15,058,216.57
  5. Step 5: Solve for x
    x = 15,058,216.57/4,087.87
  6. Step 6: Final answer
    x = 3,683.63

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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.