Home / 3,060.91-4,222.54-1,998.18

Finding the Fourth Proportional to 3,060.91, 4,222.54 and 1,998.18

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Solution

The fourth proportional to 3,060.91, 4,222.54 and 1,998.18 is: 2,756.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,060.91 : 4,222.54 = 1,998.18 : x
  2. Step 2: Convert to fraction form
    3,060.91/4,222.54 = 1,998.18/x
  3. Step 3: Cross multiply
    3,060.91x = 4,222.54 × 1,998.18
  4. Step 4: Simplify right side
    3,060.91x = 8,437,394.98
  5. Step 5: Solve for x
    x = 8,437,394.98/3,060.91
  6. Step 6: Final answer
    x = 2,756.50

Related Problems

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Half scale
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Double scale
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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.