Home / 3,621.57-4,996.02-2,129.41

Finding the Fourth Proportional to 3,621.57, 4,996.02 and 2,129.41

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Solution

The fourth proportional to 3,621.57, 4,996.02 and 2,129.41 is: 2,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,621.57 : 4,996.02 = 2,129.41 : x
  2. Step 2: Convert to fraction form
    3,621.57/4,996.02 = 2,129.41/x
  3. Step 3: Cross multiply
    3,621.57x = 4,996.02 × 2,129.41
  4. Step 4: Simplify right side
    3,621.57x = 10,638,574.95
  5. Step 5: Solve for x
    x = 10,638,574.95/3,621.57
  6. Step 6: Final answer
    x = 2,937.56

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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.