Home / 3,456.42-4,769.96-1,964.40

Finding the Fourth Proportional to 3,456.42, 4,769.96 and 1,964.40

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Solution

The fourth proportional to 3,456.42, 4,769.96 and 1,964.40 is: 2,710.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.42 : 4,769.96 = 1,964.40 : x
  2. Step 2: Convert to fraction form
    3,456.42/4,769.96 = 1,964.40/x
  3. Step 3: Cross multiply
    3,456.42x = 4,769.96 × 1,964.40
  4. Step 4: Simplify right side
    3,456.42x = 9,370,125.12
  5. Step 5: Solve for x
    x = 9,370,125.12/3,456.42
  6. Step 6: Final answer
    x = 2,710.93

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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.