Home / 3,487.18-4,811.79-1,994.76

Finding the Fourth Proportional to 3,487.18, 4,811.79 and 1,994.76

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Solution

The fourth proportional to 3,487.18, 4,811.79 and 1,994.76 is: 2,752.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,487.18 : 4,811.79 = 1,994.76 : x
  2. Step 2: Convert to fraction form
    3,487.18/4,811.79 = 1,994.76/x
  3. Step 3: Cross multiply
    3,487.18x = 4,811.79 × 1,994.76
  4. Step 4: Simplify right side
    3,487.18x = 9,598,366.22
  5. Step 5: Solve for x
    x = 9,598,366.22/3,487.18
  6. Step 6: Final answer
    x = 2,752.47

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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.