Home / 3,563.40-4,906.33-2,931.90

Finding the Fourth Proportional to 3,563.40, 4,906.33 and 2,931.90

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Solution

The fourth proportional to 3,563.40, 4,906.33 and 2,931.90 is: 4,036.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,563.40 : 4,906.33 = 2,931.90 : x
  2. Step 2: Convert to fraction form
    3,563.40/4,906.33 = 2,931.90/x
  3. Step 3: Cross multiply
    3,563.40x = 4,906.33 × 2,931.90
  4. Step 4: Simplify right side
    3,563.40x = 14,384,872.59
  5. Step 5: Solve for x
    x = 14,384,872.59/3,563.40
  6. Step 6: Final answer
    x = 4,036.84

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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.