Home / 3,722.68-5,137.71-2,379.53

Finding the Fourth Proportional to 3,722.68, 5,137.71 and 2,379.53

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Solution

The fourth proportional to 3,722.68, 5,137.71 and 2,379.53 is: 3,284.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,722.68 : 5,137.71 = 2,379.53 : x
  2. Step 2: Convert to fraction form
    3,722.68/5,137.71 = 2,379.53/x
  3. Step 3: Cross multiply
    3,722.68x = 5,137.71 × 2,379.53
  4. Step 4: Simplify right side
    3,722.68x = 12,225,335.08
  5. Step 5: Solve for x
    x = 12,225,335.08/3,722.68
  6. Step 6: Final answer
    x = 3,284.01

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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.