Home / 3,235.80-4,464.26-2,117.39

Finding the Fourth Proportional to 3,235.80, 4,464.26 and 2,117.39

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Solution

The fourth proportional to 3,235.80, 4,464.26 and 2,117.39 is: 2,921.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.80 : 4,464.26 = 2,117.39 : x
  2. Step 2: Convert to fraction form
    3,235.80/4,464.26 = 2,117.39/x
  3. Step 3: Cross multiply
    3,235.80x = 4,464.26 × 2,117.39
  4. Step 4: Simplify right side
    3,235.80x = 9,452,591.54
  5. Step 5: Solve for x
    x = 9,452,591.54/3,235.80
  6. Step 6: Final answer
    x = 2,921.26

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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.