Home / 3,815.64-5,260.55-2,752.52

Finding the Fourth Proportional to 3,815.64, 5,260.55 and 2,752.52

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Solution

The fourth proportional to 3,815.64, 5,260.55 and 2,752.52 is: 3,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,815.64 : 5,260.55 = 2,752.52 : x
  2. Step 2: Convert to fraction form
    3,815.64/5,260.55 = 2,752.52/x
  3. Step 3: Cross multiply
    3,815.64x = 5,260.55 × 2,752.52
  4. Step 4: Simplify right side
    3,815.64x = 14,479,729.02
  5. Step 5: Solve for x
    x = 14,479,729.02/3,815.64
  6. Step 6: Final answer
    x = 3,794.84

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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.