Home / 4,169.88-5,752.72-2,490.90

Finding the Fourth Proportional to 4,169.88, 5,752.72 and 2,490.90

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Solution

The fourth proportional to 4,169.88, 5,752.72 and 2,490.90 is: 3,436.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,169.88 : 5,752.72 = 2,490.90 : x
  2. Step 2: Convert to fraction form
    4,169.88/5,752.72 = 2,490.90/x
  3. Step 3: Cross multiply
    4,169.88x = 5,752.72 × 2,490.90
  4. Step 4: Simplify right side
    4,169.88x = 14,329,464.15
  5. Step 5: Solve for x
    x = 14,329,464.15/4,169.88
  6. Step 6: Final answer
    x = 3,436.42

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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.