Home / 3,964.34-5,470.93-2,196.11

Finding the Fourth Proportional to 3,964.34, 5,470.93 and 2,196.11

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Solution

The fourth proportional to 3,964.34, 5,470.93 and 2,196.11 is: 3,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.34 : 5,470.93 = 2,196.11 : x
  2. Step 2: Convert to fraction form
    3,964.34/5,470.93 = 2,196.11/x
  3. Step 3: Cross multiply
    3,964.34x = 5,470.93 × 2,196.11
  4. Step 4: Simplify right side
    3,964.34x = 12,014,731.24
  5. Step 5: Solve for x
    x = 12,014,731.24/3,964.34
  6. Step 6: Final answer
    x = 3,030.71

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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.