Home / 4,186.81-5,777.81-2,418.42

Finding the Fourth Proportional to 4,186.81, 5,777.81 and 2,418.42

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Solution

The fourth proportional to 4,186.81, 5,777.81 and 2,418.42 is: 3,337.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,186.81 : 5,777.81 = 2,418.42 : x
  2. Step 2: Convert to fraction form
    4,186.81/5,777.81 = 2,418.42/x
  3. Step 3: Cross multiply
    4,186.81x = 5,777.81 × 2,418.42
  4. Step 4: Simplify right side
    4,186.81x = 13,973,171.26
  5. Step 5: Solve for x
    x = 13,973,171.26/4,186.81
  6. Step 6: Final answer
    x = 3,337.43

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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.