Home / 3,530.40-5,292.33-1,581.54

Finding the Fourth Proportional to 3,530.40, 5,292.33 and 1,581.54

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Solution

The fourth proportional to 3,530.40, 5,292.33 and 1,581.54 is: 2,370.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,530.40 : 5,292.33 = 1,581.54 : x
  2. Step 2: Convert to fraction form
    3,530.40/5,292.33 = 1,581.54/x
  3. Step 3: Cross multiply
    3,530.40x = 5,292.33 × 1,581.54
  4. Step 4: Simplify right side
    3,530.40x = 8,370,031.59
  5. Step 5: Solve for x
    x = 8,370,031.59/3,530.40
  6. Step 6: Final answer
    x = 2,370.85

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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.