Home / 3,192.80-4,406.64-2,014.28

Finding the Fourth Proportional to 3,192.80, 4,406.64 and 2,014.28

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Solution

The fourth proportional to 3,192.80, 4,406.64 and 2,014.28 is: 2,780.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.80 : 4,406.64 = 2,014.28 : x
  2. Step 2: Convert to fraction form
    3,192.80/4,406.64 = 2,014.28/x
  3. Step 3: Cross multiply
    3,192.80x = 4,406.64 × 2,014.28
  4. Step 4: Simplify right side
    3,192.80x = 8,876,206.82
  5. Step 5: Solve for x
    x = 8,876,206.82/3,192.80
  6. Step 6: Final answer
    x = 2,780.07

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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.