Home / 3,913.11-5,395.76-2,494.55

Finding the Fourth Proportional to 3,913.11, 5,395.76 and 2,494.55

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Solution

The fourth proportional to 3,913.11, 5,395.76 and 2,494.55 is: 3,439.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,913.11 : 5,395.76 = 2,494.55 : x
  2. Step 2: Convert to fraction form
    3,913.11/5,395.76 = 2,494.55/x
  3. Step 3: Cross multiply
    3,913.11x = 5,395.76 × 2,494.55
  4. Step 4: Simplify right side
    3,913.11x = 13,459,993.11
  5. Step 5: Solve for x
    x = 13,459,993.11/3,913.11
  6. Step 6: Final answer
    x = 3,439.72

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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.