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Finding the Fourth Proportional to 2,865.53, 3,924.80 and 2,697.41

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Solution

The fourth proportional to 2,865.53, 3,924.80 and 2,697.41 is: 3,694.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,865.53 : 3,924.80 = 2,697.41 : x
  2. Step 2: Convert to fraction form
    2,865.53/3,924.80 = 2,697.41/x
  3. Step 3: Cross multiply
    2,865.53x = 3,924.80 × 2,697.41
  4. Step 4: Simplify right side
    2,865.53x = 10,586,794.77
  5. Step 5: Solve for x
    x = 10,586,794.77/2,865.53
  6. Step 6: Final answer
    x = 3,694.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.