Home / 2,540.89-3,812.47-1,616.20

Finding the Fourth Proportional to 2,540.89, 3,812.47 and 1,616.20

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Solution

The fourth proportional to 2,540.89, 3,812.47 and 1,616.20 is: 2,425.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,540.89 : 3,812.47 = 1,616.20 : x
  2. Step 2: Convert to fraction form
    2,540.89/3,812.47 = 1,616.20/x
  3. Step 3: Cross multiply
    2,540.89x = 3,812.47 × 1,616.20
  4. Step 4: Simplify right side
    2,540.89x = 6,161,714.01
  5. Step 5: Solve for x
    x = 6,161,714.01/2,540.89
  6. Step 6: Final answer
    x = 2,425.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.