Home / 3,239.06-4,852.06-1,988.07

Finding the Fourth Proportional to 3,239.06, 4,852.06 and 1,988.07

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Solution

The fourth proportional to 3,239.06, 4,852.06 and 1,988.07 is: 2,978.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,239.06 : 4,852.06 = 1,988.07 : x
  2. Step 2: Convert to fraction form
    3,239.06/4,852.06 = 1,988.07/x
  3. Step 3: Cross multiply
    3,239.06x = 4,852.06 × 1,988.07
  4. Step 4: Simplify right side
    3,239.06x = 9,646,234.92
  5. Step 5: Solve for x
    x = 9,646,234.92/3,239.06
  6. Step 6: Final answer
    x = 2,978.10

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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.