Home / 2,216.20-3,054.88-1,516.36

Finding the Fourth Proportional to 2,216.20, 3,054.88 and 1,516.36

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Solution

The fourth proportional to 2,216.20, 3,054.88 and 1,516.36 is: 2,090.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,216.20 : 3,054.88 = 1,516.36 : x
  2. Step 2: Convert to fraction form
    2,216.20/3,054.88 = 1,516.36/x
  3. Step 3: Cross multiply
    2,216.20x = 3,054.88 × 1,516.36
  4. Step 4: Simplify right side
    2,216.20x = 4,632,297.84
  5. Step 5: Solve for x
    x = 4,632,297.84/2,216.20
  6. Step 6: Final answer
    x = 2,090.20

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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.