Home / 3,580.12-4,937.91-2,399.14

Finding the Fourth Proportional to 3,580.12, 4,937.91 and 2,399.14

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Solution

The fourth proportional to 3,580.12, 4,937.91 and 2,399.14 is: 3,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.12 : 4,937.91 = 2,399.14 : x
  2. Step 2: Convert to fraction form
    3,580.12/4,937.91 = 2,399.14/x
  3. Step 3: Cross multiply
    3,580.12x = 4,937.91 × 2,399.14
  4. Step 4: Simplify right side
    3,580.12x = 11,846,712.71
  5. Step 5: Solve for x
    x = 11,846,712.71/3,580.12
  6. Step 6: Final answer
    x = 3,309.03

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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.