Home / 3,651.44-5,038.94-2,079.56

Finding the Fourth Proportional to 3,651.44, 5,038.94 and 2,079.56

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Solution

The fourth proportional to 3,651.44, 5,038.94 and 2,079.56 is: 2,869.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,651.44 : 5,038.94 = 2,079.56 : x
  2. Step 2: Convert to fraction form
    3,651.44/5,038.94 = 2,079.56/x
  3. Step 3: Cross multiply
    3,651.44x = 5,038.94 × 2,079.56
  4. Step 4: Simplify right side
    3,651.44x = 10,478,795.86
  5. Step 5: Solve for x
    x = 10,478,795.86/3,651.44
  6. Step 6: Final answer
    x = 2,869.77

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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.