Home / 3,223.02-4,448.14-1,964.81

Finding the Fourth Proportional to 3,223.02, 4,448.14 and 1,964.81

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Solution

The fourth proportional to 3,223.02, 4,448.14 and 1,964.81 is: 2,711.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,223.02 : 4,448.14 = 1,964.81 : x
  2. Step 2: Convert to fraction form
    3,223.02/4,448.14 = 1,964.81/x
  3. Step 3: Cross multiply
    3,223.02x = 4,448.14 × 1,964.81
  4. Step 4: Simplify right side
    3,223.02x = 8,739,749.95
  5. Step 5: Solve for x
    x = 8,739,749.95/3,223.02
  6. Step 6: Final answer
    x = 2,711.66

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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.