Home / 3,913.05-5,395.67-2,494.49

Finding the Fourth Proportional to 3,913.05, 5,395.67 and 2,494.49

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Solution

The fourth proportional to 3,913.05, 5,395.67 and 2,494.49 is: 3,439.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.05 : 5,395.67 = 2,494.49 : x
  2. Step 2: Convert to fraction form
    3,913.05/5,395.67 = 2,494.49/x
  3. Step 3: Cross multiply
    3,913.05x = 5,395.67 × 2,494.49
  4. Step 4: Simplify right side
    3,913.05x = 13,459,444.86
  5. Step 5: Solve for x
    x = 13,459,444.86/3,913.05
  6. Step 6: Final answer
    x = 3,439.63

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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.