Home / 3,618.66-4,993.44-2,556.84

Finding the Fourth Proportional to 3,618.66, 4,993.44 and 2,556.84

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Solution

The fourth proportional to 3,618.66, 4,993.44 and 2,556.84 is: 3,528.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,618.66 : 4,993.44 = 2,556.84 : x
  2. Step 2: Convert to fraction form
    3,618.66/4,993.44 = 2,556.84/x
  3. Step 3: Cross multiply
    3,618.66x = 4,993.44 × 2,556.84
  4. Step 4: Simplify right side
    3,618.66x = 12,767,427.13
  5. Step 5: Solve for x
    x = 12,767,427.13/3,618.66
  6. Step 6: Final answer
    x = 3,528.22

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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.