Home / 3,235.36-4,464.66-1,978.52

Finding the Fourth Proportional to 3,235.36, 4,464.66 and 1,978.52

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Solution

The fourth proportional to 3,235.36, 4,464.66 and 1,978.52 is: 2,730.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,235.36 : 4,464.66 = 1,978.52 : x
  2. Step 2: Convert to fraction form
    3,235.36/4,464.66 = 1,978.52/x
  3. Step 3: Cross multiply
    3,235.36x = 4,464.66 × 1,978.52
  4. Step 4: Simplify right side
    3,235.36x = 8,833,419.10
  5. Step 5: Solve for x
    x = 8,833,419.10/3,235.36
  6. Step 6: Final answer
    x = 2,730.27

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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.