Home / 2,825.15-3,897.32-2,451.60

Finding the Fourth Proportional to 2,825.15, 3,897.32 and 2,451.60

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Solution

The fourth proportional to 2,825.15, 3,897.32 and 2,451.60 is: 3,382.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,825.15 : 3,897.32 = 2,451.60 : x
  2. Step 2: Convert to fraction form
    2,825.15/3,897.32 = 2,451.60/x
  3. Step 3: Cross multiply
    2,825.15x = 3,897.32 × 2,451.60
  4. Step 4: Simplify right side
    2,825.15x = 9,554,657.45
  5. Step 5: Solve for x
    x = 9,554,657.45/2,825.15
  6. Step 6: Final answer
    x = 3,382.01

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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.