Home / 3,616.02-4,988.20-2,287.42

Finding the Fourth Proportional to 3,616.02, 4,988.20 and 2,287.42

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Solution

The fourth proportional to 3,616.02, 4,988.20 and 2,287.42 is: 3,155.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,616.02 : 4,988.20 = 2,287.42 : x
  2. Step 2: Convert to fraction form
    3,616.02/4,988.20 = 2,287.42/x
  3. Step 3: Cross multiply
    3,616.02x = 4,988.20 × 2,287.42
  4. Step 4: Simplify right side
    3,616.02x = 11,410,108.44
  5. Step 5: Solve for x
    x = 11,410,108.44/3,616.02
  6. Step 6: Final answer
    x = 3,155.43

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1.5x scale

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.