Home / 3,509.58-5,262.15-1,971.66

Finding the Fourth Proportional to 3,509.58, 5,262.15 and 1,971.66

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Solution

The fourth proportional to 3,509.58, 5,262.15 and 1,971.66 is: 2,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,509.58 : 5,262.15 = 1,971.66 : x
  2. Step 2: Convert to fraction form
    3,509.58/5,262.15 = 1,971.66/x
  3. Step 3: Cross multiply
    3,509.58x = 5,262.15 × 1,971.66
  4. Step 4: Simplify right side
    3,509.58x = 10,375,170.67
  5. Step 5: Solve for x
    x = 10,375,170.67/3,509.58
  6. Step 6: Final answer
    x = 2,956.24

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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.