Home / 3,530.91-5,296.70-1,339.05

Finding the Fourth Proportional to 3,530.91, 5,296.70 and 1,339.05

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Solution

The fourth proportional to 3,530.91, 5,296.70 and 1,339.05 is: 2,008.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.91 : 5,296.70 = 1,339.05 : x
  2. Step 2: Convert to fraction form
    3,530.91/5,296.70 = 1,339.05/x
  3. Step 3: Cross multiply
    3,530.91x = 5,296.70 × 1,339.05
  4. Step 4: Simplify right side
    3,530.91x = 7,092,546.14
  5. Step 5: Solve for x
    x = 7,092,546.14/3,530.91
  6. Step 6: Final answer
    x = 2,008.70

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1.5x scale

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.