Home / 3,578.32-4,934.82-2,400.92

Finding the Fourth Proportional to 3,578.32, 4,934.82 and 2,400.92

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Solution

The fourth proportional to 3,578.32, 4,934.82 and 2,400.92 is: 3,311.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.32 : 4,934.82 = 2,400.92 : x
  2. Step 2: Convert to fraction form
    3,578.32/4,934.82 = 2,400.92/x
  3. Step 3: Cross multiply
    3,578.32x = 4,934.82 × 2,400.92
  4. Step 4: Simplify right side
    3,578.32x = 11,848,108.03
  5. Step 5: Solve for x
    x = 11,848,108.03/3,578.32
  6. Step 6: Final answer
    x = 3,311.08

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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.