Home / 4,291-5,921.70-2,428.12

Finding the Fourth Proportional to 4,291, 5,921.70 and 2,428.12

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Solution

The fourth proportional to 4,291, 5,921.70 and 2,428.12 is: 3,350.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,291 : 5,921.70 = 2,428.12 : x
  2. Step 2: Convert to fraction form
    4,291/5,921.70 = 2,428.12/x
  3. Step 3: Cross multiply
    4,291x = 5,921.70 × 2,428.12
  4. Step 4: Simplify right side
    4,291x = 14,378,598.20
  5. Step 5: Solve for x
    x = 14,378,598.20/4,291
  6. Step 6: Final answer
    x = 3,350.87

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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.