Home / 3,885.63-5,813.85-2,417.91

Finding the Fourth Proportional to 3,885.63, 5,813.85 and 2,417.91

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Solution

The fourth proportional to 3,885.63, 5,813.85 and 2,417.91 is: 3,617.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,885.63 : 5,813.85 = 2,417.91 : x
  2. Step 2: Convert to fraction form
    3,885.63/5,813.85 = 2,417.91/x
  3. Step 3: Cross multiply
    3,885.63x = 5,813.85 × 2,417.91
  4. Step 4: Simplify right side
    3,885.63x = 14,057,366.05
  5. Step 5: Solve for x
    x = 14,057,366.05/3,885.63
  6. Step 6: Final answer
    x = 3,617.78

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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.