Home / 2,664.32-3,996.64-1,203.52

Finding the Fourth Proportional to 2,664.32, 3,996.64 and 1,203.52

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Solution

The fourth proportional to 2,664.32, 3,996.64 and 1,203.52 is: 1,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,664.32 : 3,996.64 = 1,203.52 : x
  2. Step 2: Convert to fraction form
    2,664.32/3,996.64 = 1,203.52/x
  3. Step 3: Cross multiply
    2,664.32x = 3,996.64 × 1,203.52
  4. Step 4: Simplify right side
    2,664.32x = 4,810,036.17
  5. Step 5: Solve for x
    x = 4,810,036.17/2,664.32
  6. Step 6: Final answer
    x = 1,805.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.