Home / 2,276.55-3,419.24-2,186.79

Finding the Fourth Proportional to 2,276.55, 3,419.24 and 2,186.79

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Solution

The fourth proportional to 2,276.55, 3,419.24 and 2,186.79 is: 3,284.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,276.55 : 3,419.24 = 2,186.79 : x
  2. Step 2: Convert to fraction form
    2,276.55/3,419.24 = 2,186.79/x
  3. Step 3: Cross multiply
    2,276.55x = 3,419.24 × 2,186.79
  4. Step 4: Simplify right side
    2,276.55x = 7,477,148.91
  5. Step 5: Solve for x
    x = 7,477,148.91/2,276.55
  6. Step 6: Final answer
    x = 3,284.42

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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.