Home / 3,649.86-5,039.82-2,704.59

Finding the Fourth Proportional to 3,649.86, 5,039.82 and 2,704.59

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Solution

The fourth proportional to 3,649.86, 5,039.82 and 2,704.59 is: 3,734.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,649.86 : 5,039.82 = 2,704.59 : x
  2. Step 2: Convert to fraction form
    3,649.86/5,039.82 = 2,704.59/x
  3. Step 3: Cross multiply
    3,649.86x = 5,039.82 × 2,704.59
  4. Step 4: Simplify right side
    3,649.86x = 13,630,646.77
  5. Step 5: Solve for x
    x = 13,630,646.77/3,649.86
  6. Step 6: Final answer
    x = 3,734.57

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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.