Home / 3,578.86-5,365.38-1,500.40

Finding the Fourth Proportional to 3,578.86, 5,365.38 and 1,500.40

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Solution

The fourth proportional to 3,578.86, 5,365.38 and 1,500.40 is: 2,249.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,578.86 : 5,365.38 = 1,500.40 : x
  2. Step 2: Convert to fraction form
    3,578.86/5,365.38 = 1,500.40/x
  3. Step 3: Cross multiply
    3,578.86x = 5,365.38 × 1,500.40
  4. Step 4: Simplify right side
    3,578.86x = 8,050,216.15
  5. Step 5: Solve for x
    x = 8,050,216.15/3,578.86
  6. Step 6: Final answer
    x = 2,249.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.