Home / 3,271.13-4,906.70-1,972.30

Finding the Fourth Proportional to 3,271.13, 4,906.70 and 1,972.30

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Solution

The fourth proportional to 3,271.13, 4,906.70 and 1,972.30 is: 2,958.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,271.13 : 4,906.70 = 1,972.30 : x
  2. Step 2: Convert to fraction form
    3,271.13/4,906.70 = 1,972.30/x
  3. Step 3: Cross multiply
    3,271.13x = 4,906.70 × 1,972.30
  4. Step 4: Simplify right side
    3,271.13x = 9,677,484.41
  5. Step 5: Solve for x
    x = 9,677,484.41/3,271.13
  6. Step 6: Final answer
    x = 2,958.45

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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.