Home / 3,305.55-4,561.61-1,889.22

Finding the Fourth Proportional to 3,305.55, 4,561.61 and 1,889.22

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Solution

The fourth proportional to 3,305.55, 4,561.61 and 1,889.22 is: 2,607.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,305.55 : 4,561.61 = 1,889.22 : x
  2. Step 2: Convert to fraction form
    3,305.55/4,561.61 = 1,889.22/x
  3. Step 3: Cross multiply
    3,305.55x = 4,561.61 × 1,889.22
  4. Step 4: Simplify right side
    3,305.55x = 8,617,852.59
  5. Step 5: Solve for x
    x = 8,617,852.59/3,305.55
  6. Step 6: Final answer
    x = 2,607.09

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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.