Home / 3,530.52-5,296.60-1,886.20

Finding the Fourth Proportional to 3,530.52, 5,296.60 and 1,886.20

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Solution

The fourth proportional to 3,530.52, 5,296.60 and 1,886.20 is: 2,829.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.52 : 5,296.60 = 1,886.20 : x
  2. Step 2: Convert to fraction form
    3,530.52/5,296.60 = 1,886.20/x
  3. Step 3: Cross multiply
    3,530.52x = 5,296.60 × 1,886.20
  4. Step 4: Simplify right side
    3,530.52x = 9,990,446.92
  5. Step 5: Solve for x
    x = 9,990,446.92/3,530.52
  6. Step 6: Final answer
    x = 2,829.74

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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.