Home / 3,963.21-5,468.78-2,284.28

Finding the Fourth Proportional to 3,963.21, 5,468.78 and 2,284.28

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Solution

The fourth proportional to 3,963.21, 5,468.78 and 2,284.28 is: 3,152.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.21 : 5,468.78 = 2,284.28 : x
  2. Step 2: Convert to fraction form
    3,963.21/5,468.78 = 2,284.28/x
  3. Step 3: Cross multiply
    3,963.21x = 5,468.78 × 2,284.28
  4. Step 4: Simplify right side
    3,963.21x = 12,492,254.42
  5. Step 5: Solve for x
    x = 12,492,254.42/3,963.21
  6. Step 6: Final answer
    x = 3,152.05

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1.5x scale

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.