Home / 2,820.52-3,887.94-2,295.64

Finding the Fourth Proportional to 2,820.52, 3,887.94 and 2,295.64

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Solution

The fourth proportional to 2,820.52, 3,887.94 and 2,295.64 is: 3,164.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.52 : 3,887.94 = 2,295.64 : x
  2. Step 2: Convert to fraction form
    2,820.52/3,887.94 = 2,295.64/x
  3. Step 3: Cross multiply
    2,820.52x = 3,887.94 × 2,295.64
  4. Step 4: Simplify right side
    2,820.52x = 8,925,310.58
  5. Step 5: Solve for x
    x = 8,925,310.58/2,820.52
  6. Step 6: Final answer
    x = 3,164.42

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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.