Home / 3,235.25-4,464.65-1,838

Finding the Fourth Proportional to 3,235.25, 4,464.65 and 1,838

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Solution

The fourth proportional to 3,235.25, 4,464.65 and 1,838 is: 2,536.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.25 : 4,464.65 = 1,838 : x
  2. Step 2: Convert to fraction form
    3,235.25/4,464.65 = 1,838/x
  3. Step 3: Cross multiply
    3,235.25x = 4,464.65 × 1,838
  4. Step 4: Simplify right side
    3,235.25x = 8,206,017.51
  5. Step 5: Solve for x
    x = 8,206,017.51/3,235.25
  6. Step 6: Final answer
    x = 2,536.44

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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.