Home / 3,356.76-5,052.80-2,855.64

Finding the Fourth Proportional to 3,356.76, 5,052.80 and 2,855.64

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Solution

The fourth proportional to 3,356.76, 5,052.80 and 2,855.64 is: 4,298.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356.76 : 5,052.80 = 2,855.64 : x
  2. Step 2: Convert to fraction form
    3,356.76/5,052.80 = 2,855.64/x
  3. Step 3: Cross multiply
    3,356.76x = 5,052.80 × 2,855.64
  4. Step 4: Simplify right side
    3,356.76x = 14,428,977.79
  5. Step 5: Solve for x
    x = 14,428,977.79/3,356.76
  6. Step 6: Final answer
    x = 4,298.48

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.