Home / 3,376.68-4,660.26-1,979.56

Finding the Fourth Proportional to 3,376.68, 4,660.26 and 1,979.56

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Solution

The fourth proportional to 3,376.68, 4,660.26 and 1,979.56 is: 2,732.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,376.68 : 4,660.26 = 1,979.56 : x
  2. Step 2: Convert to fraction form
    3,376.68/4,660.26 = 1,979.56/x
  3. Step 3: Cross multiply
    3,376.68x = 4,660.26 × 1,979.56
  4. Step 4: Simplify right side
    3,376.68x = 9,225,264.29
  5. Step 5: Solve for x
    x = 9,225,264.29/3,376.68
  6. Step 6: Final answer
    x = 2,732.05

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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.