Home / 3,486.61-4,811.38-1,994.66

Finding the Fourth Proportional to 3,486.61, 4,811.38 and 1,994.66

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Solution

The fourth proportional to 3,486.61, 4,811.38 and 1,994.66 is: 2,752.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.61 : 4,811.38 = 1,994.66 : x
  2. Step 2: Convert to fraction form
    3,486.61/4,811.38 = 1,994.66/x
  3. Step 3: Cross multiply
    3,486.61x = 4,811.38 × 1,994.66
  4. Step 4: Simplify right side
    3,486.61x = 9,597,082.49
  5. Step 5: Solve for x
    x = 9,597,082.49/3,486.61
  6. Step 6: Final answer
    x = 2,752.56

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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.