Home / 3,330.86-4,998.56-2,157.93

Finding the Fourth Proportional to 3,330.86, 4,998.56 and 2,157.93

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Solution

The fourth proportional to 3,330.86, 4,998.56 and 2,157.93 is: 3,238.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,330.86 : 4,998.56 = 2,157.93 : x
  2. Step 2: Convert to fraction form
    3,330.86/4,998.56 = 2,157.93/x
  3. Step 3: Cross multiply
    3,330.86x = 4,998.56 × 2,157.93
  4. Step 4: Simplify right side
    3,330.86x = 10,786,531.79
  5. Step 5: Solve for x
    x = 10,786,531.79/3,330.86
  6. Step 6: Final answer
    x = 3,238.37

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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.