Home / 3,553.27-5,326.18-1,990.98

Finding the Fourth Proportional to 3,553.27, 5,326.18 and 1,990.98

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Solution

The fourth proportional to 3,553.27, 5,326.18 and 1,990.98 is: 2,984.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,553.27 : 5,326.18 = 1,990.98 : x
  2. Step 2: Convert to fraction form
    3,553.27/5,326.18 = 1,990.98/x
  3. Step 3: Cross multiply
    3,553.27x = 5,326.18 × 1,990.98
  4. Step 4: Simplify right side
    3,553.27x = 10,604,312.88
  5. Step 5: Solve for x
    x = 10,604,312.88/3,553.27
  6. Step 6: Final answer
    x = 2,984.38

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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.