Home / 3,149.14-4,721.63-1,762.62

Finding the Fourth Proportional to 3,149.14, 4,721.63 and 1,762.62

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Solution

The fourth proportional to 3,149.14, 4,721.63 and 1,762.62 is: 2,642.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,149.14 : 4,721.63 = 1,762.62 : x
  2. Step 2: Convert to fraction form
    3,149.14/4,721.63 = 1,762.62/x
  3. Step 3: Cross multiply
    3,149.14x = 4,721.63 × 1,762.62
  4. Step 4: Simplify right side
    3,149.14x = 8,322,430.66
  5. Step 5: Solve for x
    x = 8,322,430.66/3,149.14
  6. Step 6: Final answer
    x = 2,642.77

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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.