Home / 3,403.64-4,696.90-2,079.56

Finding the Fourth Proportional to 3,403.64, 4,696.90 and 2,079.56

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Solution

The fourth proportional to 3,403.64, 4,696.90 and 2,079.56 is: 2,869.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,403.64 : 4,696.90 = 2,079.56 : x
  2. Step 2: Convert to fraction form
    3,403.64/4,696.90 = 2,079.56/x
  3. Step 3: Cross multiply
    3,403.64x = 4,696.90 × 2,079.56
  4. Step 4: Simplify right side
    3,403.64x = 9,767,456.68
  5. Step 5: Solve for x
    x = 9,767,456.68/3,403.64
  6. Step 6: Final answer
    x = 2,869.71

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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.