Home / 3,530.52-4,872.62-2,018.43

Finding the Fourth Proportional to 3,530.52, 4,872.62 and 2,018.43

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Solution

The fourth proportional to 3,530.52, 4,872.62 and 2,018.43 is: 2,785.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.52 : 4,872.62 = 2,018.43 : x
  2. Step 2: Convert to fraction form
    3,530.52/4,872.62 = 2,018.43/x
  3. Step 3: Cross multiply
    3,530.52x = 4,872.62 × 2,018.43
  4. Step 4: Simplify right side
    3,530.52x = 9,835,047.43
  5. Step 5: Solve for x
    x = 9,835,047.43/3,530.52
  6. Step 6: Final answer
    x = 2,785.72

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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.