Home / 3,192.50-4,407.86-1,998.02

Finding the Fourth Proportional to 3,192.50, 4,407.86 and 1,998.02

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Solution

The fourth proportional to 3,192.50, 4,407.86 and 1,998.02 is: 2,758.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,192.50 : 4,407.86 = 1,998.02 : x
  2. Step 2: Convert to fraction form
    3,192.50/4,407.86 = 1,998.02/x
  3. Step 3: Cross multiply
    3,192.50x = 4,407.86 × 1,998.02
  4. Step 4: Simplify right side
    3,192.50x = 8,807,008.45
  5. Step 5: Solve for x
    x = 8,807,008.45/3,192.50
  6. Step 6: Final answer
    x = 2,758.65

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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.