Home / 4,221.14-5,825.16-2,428.74

Finding the Fourth Proportional to 4,221.14, 5,825.16 and 2,428.74

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Solution

The fourth proportional to 4,221.14, 5,825.16 and 2,428.74 is: 3,351.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,221.14 : 5,825.16 = 2,428.74 : x
  2. Step 2: Convert to fraction form
    4,221.14/5,825.16 = 2,428.74/x
  3. Step 3: Cross multiply
    4,221.14x = 5,825.16 × 2,428.74
  4. Step 4: Simplify right side
    4,221.14x = 14,147,799.10
  5. Step 5: Solve for x
    x = 14,147,799.10/4,221.14
  6. Step 6: Final answer
    x = 3,351.66

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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.