Home / 1,963.36-2,709.34-1,079.02

Finding the Fourth Proportional to 1,963.36, 2,709.34 and 1,079.02

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Solution

The fourth proportional to 1,963.36, 2,709.34 and 1,079.02 is: 1,488.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,963.36 : 2,709.34 = 1,079.02 : x
  2. Step 2: Convert to fraction form
    1,963.36/2,709.34 = 1,079.02/x
  3. Step 3: Cross multiply
    1,963.36x = 2,709.34 × 1,079.02
  4. Step 4: Simplify right side
    1,963.36x = 2,923,432.05
  5. Step 5: Solve for x
    x = 2,923,432.05/1,963.36
  6. Step 6: Final answer
    x = 1,488.99

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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.