Home / 3,990.93-5,988.62-2,326.98

Finding the Fourth Proportional to 3,990.93, 5,988.62 and 2,326.98

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Solution

The fourth proportional to 3,990.93, 5,988.62 and 2,326.98 is: 3,491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,990.93 : 5,988.62 = 2,326.98 : x
  2. Step 2: Convert to fraction form
    3,990.93/5,988.62 = 2,326.98/x
  3. Step 3: Cross multiply
    3,990.93x = 5,988.62 × 2,326.98
  4. Step 4: Simplify right side
    3,990.93x = 13,935,398.97
  5. Step 5: Solve for x
    x = 13,935,398.97/3,990.93
  6. Step 6: Final answer
    x = 3,491.77

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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.