Home / 2,552.16-3,823.20-2,001.60

Finding the Fourth Proportional to 2,552.16, 3,823.20 and 2,001.60

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Solution

The fourth proportional to 2,552.16, 3,823.20 and 2,001.60 is: 2,998.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,552.16 : 3,823.20 = 2,001.60 : x
  2. Step 2: Convert to fraction form
    2,552.16/3,823.20 = 2,001.60/x
  3. Step 3: Cross multiply
    2,552.16x = 3,823.20 × 2,001.60
  4. Step 4: Simplify right side
    2,552.16x = 7,652,517.12
  5. Step 5: Solve for x
    x = 7,652,517.12/2,552.16
  6. Step 6: Final answer
    x = 2,998.45

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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.