Home / 3,305.57-4,561.81-1,813.53

Finding the Fourth Proportional to 3,305.57, 4,561.81 and 1,813.53

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Solution

The fourth proportional to 3,305.57, 4,561.81 and 1,813.53 is: 2,502.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.57 : 4,561.81 = 1,813.53 : x
  2. Step 2: Convert to fraction form
    3,305.57/4,561.81 = 1,813.53/x
  3. Step 3: Cross multiply
    3,305.57x = 4,561.81 × 1,813.53
  4. Step 4: Simplify right side
    3,305.57x = 8,272,991.86
  5. Step 5: Solve for x
    x = 8,272,991.86/3,305.57
  6. Step 6: Final answer
    x = 2,502.75

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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.