Home / 2,963.21-4,441.77-2,139.44

Finding the Fourth Proportional to 2,963.21, 4,441.77 and 2,139.44

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Solution

The fourth proportional to 2,963.21, 4,441.77 and 2,139.44 is: 3,206.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.21 : 4,441.77 = 2,139.44 : x
  2. Step 2: Convert to fraction form
    2,963.21/4,441.77 = 2,139.44/x
  3. Step 3: Cross multiply
    2,963.21x = 4,441.77 × 2,139.44
  4. Step 4: Simplify right side
    2,963.21x = 9,502,878.20
  5. Step 5: Solve for x
    x = 9,502,878.20/2,963.21
  6. Step 6: Final answer
    x = 3,206.96

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1.5x scale

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.