Home / 3,561.06-5,340.84-2,518.12

Finding the Fourth Proportional to 3,561.06, 5,340.84 and 2,518.12

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Solution

The fourth proportional to 3,561.06, 5,340.84 and 2,518.12 is: 3,776.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.06 : 5,340.84 = 2,518.12 : x
  2. Step 2: Convert to fraction form
    3,561.06/5,340.84 = 2,518.12/x
  3. Step 3: Cross multiply
    3,561.06x = 5,340.84 × 2,518.12
  4. Step 4: Simplify right side
    3,561.06x = 13,448,873.25
  5. Step 5: Solve for x
    x = 13,448,873.25/3,561.06
  6. Step 6: Final answer
    x = 3,776.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.