Home / 2,621.02-3,616.97-1,425.99

Finding the Fourth Proportional to 2,621.02, 3,616.97 and 1,425.99

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Solution

The fourth proportional to 2,621.02, 3,616.97 and 1,425.99 is: 1,967.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.02 : 3,616.97 = 1,425.99 : x
  2. Step 2: Convert to fraction form
    2,621.02/3,616.97 = 1,425.99/x
  3. Step 3: Cross multiply
    2,621.02x = 3,616.97 × 1,425.99
  4. Step 4: Simplify right side
    2,621.02x = 5,157,763.05
  5. Step 5: Solve for x
    x = 5,157,763.05/2,621.02
  6. Step 6: Final answer
    x = 1,967.85

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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.