Home / 3,456.10-4,769.40-1,964.08

Finding the Fourth Proportional to 3,456.10, 4,769.40 and 1,964.08

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Solution

The fourth proportional to 3,456.10, 4,769.40 and 1,964.08 is: 2,710.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.10 : 4,769.40 = 1,964.08 : x
  2. Step 2: Convert to fraction form
    3,456.10/4,769.40 = 1,964.08/x
  3. Step 3: Cross multiply
    3,456.10x = 4,769.40 × 1,964.08
  4. Step 4: Simplify right side
    3,456.10x = 9,367,483.15
  5. Step 5: Solve for x
    x = 9,367,483.15/3,456.10
  6. Step 6: Final answer
    x = 2,710.42

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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.