Home / 3,964.79-5,471.06-2,195.93

Finding the Fourth Proportional to 3,964.79, 5,471.06 and 2,195.93

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Solution

The fourth proportional to 3,964.79, 5,471.06 and 2,195.93 is: 3,030.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,964.79 : 5,471.06 = 2,195.93 : x
  2. Step 2: Convert to fraction form
    3,964.79/5,471.06 = 2,195.93/x
  3. Step 3: Cross multiply
    3,964.79x = 5,471.06 × 2,195.93
  4. Step 4: Simplify right side
    3,964.79x = 12,014,053.81
  5. Step 5: Solve for x
    x = 12,014,053.81/3,964.79
  6. Step 6: Final answer
    x = 3,030.19

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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.