Home / 3,179.24-4,388.86-1,852.72

Finding the Fourth Proportional to 3,179.24, 4,388.86 and 1,852.72

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Solution

The fourth proportional to 3,179.24, 4,388.86 and 1,852.72 is: 2,557.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,179.24 : 4,388.86 = 1,852.72 : x
  2. Step 2: Convert to fraction form
    3,179.24/4,388.86 = 1,852.72/x
  3. Step 3: Cross multiply
    3,179.24x = 4,388.86 × 1,852.72
  4. Step 4: Simplify right side
    3,179.24x = 8,131,328.70
  5. Step 5: Solve for x
    x = 8,131,328.70/3,179.24
  6. Step 6: Final answer
    x = 2,557.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.