Home / 3,179.13-4,764.14-1,789.55

Finding the Fourth Proportional to 3,179.13, 4,764.14 and 1,789.55

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Solution

The fourth proportional to 3,179.13, 4,764.14 and 1,789.55 is: 2,681.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.13 : 4,764.14 = 1,789.55 : x
  2. Step 2: Convert to fraction form
    3,179.13/4,764.14 = 1,789.55/x
  3. Step 3: Cross multiply
    3,179.13x = 4,764.14 × 1,789.55
  4. Step 4: Simplify right side
    3,179.13x = 8,525,666.74
  5. Step 5: Solve for x
    x = 8,525,666.74/3,179.13
  6. Step 6: Final answer
    x = 2,681.76

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1.5x scale

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.