Home / 3,456.48-4,769.79-1,964.39

Finding the Fourth Proportional to 3,456.48, 4,769.79 and 1,964.39

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Solution

The fourth proportional to 3,456.48, 4,769.79 and 1,964.39 is: 2,710.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.48 : 4,769.79 = 1,964.39 : x
  2. Step 2: Convert to fraction form
    3,456.48/4,769.79 = 1,964.39/x
  3. Step 3: Cross multiply
    3,456.48x = 4,769.79 × 1,964.39
  4. Step 4: Simplify right side
    3,456.48x = 9,369,727.78
  5. Step 5: Solve for x
    x = 9,369,727.78/3,456.48
  6. Step 6: Final answer
    x = 2,710.77

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1.5x scale

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.