Home / 2,963.88-4,446.87-1,320.27

Finding the Fourth Proportional to 2,963.88, 4,446.87 and 1,320.27

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Solution

The fourth proportional to 2,963.88, 4,446.87 and 1,320.27 is: 1,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.88 : 4,446.87 = 1,320.27 : x
  2. Step 2: Convert to fraction form
    2,963.88/4,446.87 = 1,320.27/x
  3. Step 3: Cross multiply
    2,963.88x = 4,446.87 × 1,320.27
  4. Step 4: Simplify right side
    2,963.88x = 5,871,069.05
  5. Step 5: Solve for x
    x = 5,871,069.05/2,963.88
  6. Step 6: Final answer
    x = 1,980.87

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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.