Home / 3,530.12-5,291.93-1,581.26

Finding the Fourth Proportional to 3,530.12, 5,291.93 and 1,581.26

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Solution

The fourth proportional to 3,530.12, 5,291.93 and 1,581.26 is: 2,370.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.12 : 5,291.93 = 1,581.26 : x
  2. Step 2: Convert to fraction form
    3,530.12/5,291.93 = 1,581.26/x
  3. Step 3: Cross multiply
    3,530.12x = 5,291.93 × 1,581.26
  4. Step 4: Simplify right side
    3,530.12x = 8,367,894.73
  5. Step 5: Solve for x
    x = 8,367,894.73/3,530.12
  6. Step 6: Final answer
    x = 2,370.43

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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.