Home / 3,003.85-4,145.32-1,677.56

Finding the Fourth Proportional to 3,003.85, 4,145.32 and 1,677.56

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Solution

The fourth proportional to 3,003.85, 4,145.32 and 1,677.56 is: 2,315.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,003.85 : 4,145.32 = 1,677.56 : x
  2. Step 2: Convert to fraction form
    3,003.85/4,145.32 = 1,677.56/x
  3. Step 3: Cross multiply
    3,003.85x = 4,145.32 × 1,677.56
  4. Step 4: Simplify right side
    3,003.85x = 6,954,023.02
  5. Step 5: Solve for x
    x = 6,954,023.02/3,003.85
  6. Step 6: Final answer
    x = 2,315.04

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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.