Home / 3,456.65-4,769.61-3,281.56

Finding the Fourth Proportional to 3,456.65, 4,769.61 and 3,281.56

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Solution

The fourth proportional to 3,456.65, 4,769.61 and 3,281.56 is: 4,528.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.65 : 4,769.61 = 3,281.56 : x
  2. Step 2: Convert to fraction form
    3,456.65/4,769.61 = 3,281.56/x
  3. Step 3: Cross multiply
    3,456.65x = 4,769.61 × 3,281.56
  4. Step 4: Simplify right side
    3,456.65x = 15,651,761.39
  5. Step 5: Solve for x
    x = 15,651,761.39/3,456.65
  6. Step 6: Final answer
    x = 4,528.01

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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.