Home / 3,874.91-5,349.04-2,459.84

Finding the Fourth Proportional to 3,874.91, 5,349.04 and 2,459.84

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Solution

The fourth proportional to 3,874.91, 5,349.04 and 2,459.84 is: 3,395.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.91 : 5,349.04 = 2,459.84 : x
  2. Step 2: Convert to fraction form
    3,874.91/5,349.04 = 2,459.84/x
  3. Step 3: Cross multiply
    3,874.91x = 5,349.04 × 2,459.84
  4. Step 4: Simplify right side
    3,874.91x = 13,157,749.66
  5. Step 5: Solve for x
    x = 13,157,749.66/3,874.91
  6. Step 6: Final answer
    x = 3,395.63

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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.