Home / 1,963.48-2,709.64-1,079.32

Finding the Fourth Proportional to 1,963.48, 2,709.64 and 1,079.32

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Solution

The fourth proportional to 1,963.48, 2,709.64 and 1,079.32 is: 1,489.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.48 : 2,709.64 = 1,079.32 : x
  2. Step 2: Convert to fraction form
    1,963.48/2,709.64 = 1,079.32/x
  3. Step 3: Cross multiply
    1,963.48x = 2,709.64 × 1,079.32
  4. Step 4: Simplify right side
    1,963.48x = 2,924,568.64
  5. Step 5: Solve for x
    x = 2,924,568.64/1,963.48
  6. Step 6: Final answer
    x = 1,489.48

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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.