Home / 3,411.56-4,708.80-2,086.39

Finding the Fourth Proportional to 3,411.56, 4,708.80 and 2,086.39

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Solution

The fourth proportional to 3,411.56, 4,708.80 and 2,086.39 is: 2,879.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,411.56 : 4,708.80 = 2,086.39 : x
  2. Step 2: Convert to fraction form
    3,411.56/4,708.80 = 2,086.39/x
  3. Step 3: Cross multiply
    3,411.56x = 4,708.80 × 2,086.39
  4. Step 4: Simplify right side
    3,411.56x = 9,824,399.12
  5. Step 5: Solve for x
    x = 9,824,399.12/3,411.56
  6. Step 6: Final answer
    x = 2,879.74

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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.