Home / 3,777.86-5,666.60-1,145.24

Finding the Fourth Proportional to 3,777.86, 5,666.60 and 1,145.24

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Solution

The fourth proportional to 3,777.86, 5,666.60 and 1,145.24 is: 1,717.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,777.86 : 5,666.60 = 1,145.24 : x
  2. Step 2: Convert to fraction form
    3,777.86/5,666.60 = 1,145.24/x
  3. Step 3: Cross multiply
    3,777.86x = 5,666.60 × 1,145.24
  4. Step 4: Simplify right side
    3,777.86x = 6,489,634.01
  5. Step 5: Solve for x
    x = 6,489,634.01/3,777.86
  6. Step 6: Final answer
    x = 1,717.81

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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.