Home / 3,530.10-4,872.45-2,272.02

Finding the Fourth Proportional to 3,530.10, 4,872.45 and 2,272.02

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Solution

The fourth proportional to 3,530.10, 4,872.45 and 2,272.02 is: 3,135.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.10 : 4,872.45 = 2,272.02 : x
  2. Step 2: Convert to fraction form
    3,530.10/4,872.45 = 2,272.02/x
  3. Step 3: Cross multiply
    3,530.10x = 4,872.45 × 2,272.02
  4. Step 4: Simplify right side
    3,530.10x = 11,070,303.85
  5. Step 5: Solve for x
    x = 11,070,303.85/3,530.10
  6. Step 6: Final answer
    x = 3,135.97

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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.