Home / 3,530.72-4,871.62-2,133.44

Finding the Fourth Proportional to 3,530.72, 4,871.62 and 2,133.44

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Solution

The fourth proportional to 3,530.72, 4,871.62 and 2,133.44 is: 2,943.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.72 : 4,871.62 = 2,133.44 : x
  2. Step 2: Convert to fraction form
    3,530.72/4,871.62 = 2,133.44/x
  3. Step 3: Cross multiply
    3,530.72x = 4,871.62 × 2,133.44
  4. Step 4: Simplify right side
    3,530.72x = 10,393,308.97
  5. Step 5: Solve for x
    x = 10,393,308.97/3,530.72
  6. Step 6: Final answer
    x = 2,943.68

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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.