Home / 3,941.86-5,903.07-3,170.74

Finding the Fourth Proportional to 3,941.86, 5,903.07 and 3,170.74

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Solution

The fourth proportional to 3,941.86, 5,903.07 and 3,170.74 is: 4,748.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,941.86 : 5,903.07 = 3,170.74 : x
  2. Step 2: Convert to fraction form
    3,941.86/5,903.07 = 3,170.74/x
  3. Step 3: Cross multiply
    3,941.86x = 5,903.07 × 3,170.74
  4. Step 4: Simplify right side
    3,941.86x = 18,717,100.17
  5. Step 5: Solve for x
    x = 18,717,100.17/3,941.86
  6. Step 6: Final answer
    x = 4,748.29

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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.