Home / 3,317.44-4,945.63-3,161.92

Finding the Fourth Proportional to 3,317.44, 4,945.63 and 3,161.92

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Solution

The fourth proportional to 3,317.44, 4,945.63 and 3,161.92 is: 4,713.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,317.44 : 4,945.63 = 3,161.92 : x
  2. Step 2: Convert to fraction form
    3,317.44/4,945.63 = 3,161.92/x
  3. Step 3: Cross multiply
    3,317.44x = 4,945.63 × 3,161.92
  4. Step 4: Simplify right side
    3,317.44x = 15,637,686.41
  5. Step 5: Solve for x
    x = 15,637,686.41/3,317.44
  6. Step 6: Final answer
    x = 4,713.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.