Home / 3,486.12-5,228.37-2,254.38

Finding the Fourth Proportional to 3,486.12, 5,228.37 and 2,254.38

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Solution

The fourth proportional to 3,486.12, 5,228.37 and 2,254.38 is: 3,381.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.12 : 5,228.37 = 2,254.38 : x
  2. Step 2: Convert to fraction form
    3,486.12/5,228.37 = 2,254.38/x
  3. Step 3: Cross multiply
    3,486.12x = 5,228.37 × 2,254.38
  4. Step 4: Simplify right side
    3,486.12x = 11,786,732.76
  5. Step 5: Solve for x
    x = 11,786,732.76/3,486.12
  6. Step 6: Final answer
    x = 3,381.05

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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.