Home / 3,619.14-4,994.34-2,555.79

Finding the Fourth Proportional to 3,619.14, 4,994.34 and 2,555.79

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Solution

The fourth proportional to 3,619.14, 4,994.34 and 2,555.79 is: 3,526.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,619.14 : 4,994.34 = 2,555.79 : x
  2. Step 2: Convert to fraction form
    3,619.14/4,994.34 = 2,555.79/x
  3. Step 3: Cross multiply
    3,619.14x = 4,994.34 × 2,555.79
  4. Step 4: Simplify right side
    3,619.14x = 12,764,484.23
  5. Step 5: Solve for x
    x = 12,764,484.23/3,619.14
  6. Step 6: Final answer
    x = 3,526.94

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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.