Home / 3,530.28-5,296.32-2,070.72

Finding the Fourth Proportional to 3,530.28, 5,296.32 and 2,070.72

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Solution

The fourth proportional to 3,530.28, 5,296.32 and 2,070.72 is: 3,106.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.28 : 5,296.32 = 2,070.72 : x
  2. Step 2: Convert to fraction form
    3,530.28/5,296.32 = 2,070.72/x
  3. Step 3: Cross multiply
    3,530.28x = 5,296.32 × 2,070.72
  4. Step 4: Simplify right side
    3,530.28x = 10,967,195.75
  5. Step 5: Solve for x
    x = 10,967,195.75/3,530.28
  6. Step 6: Final answer
    x = 3,106.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.