Home / 3,561.36-4,912.88-2,383.98

Finding the Fourth Proportional to 3,561.36, 4,912.88 and 2,383.98

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Solution

The fourth proportional to 3,561.36, 4,912.88 and 2,383.98 is: 3,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,561.36 : 4,912.88 = 2,383.98 : x
  2. Step 2: Convert to fraction form
    3,561.36/4,912.88 = 2,383.98/x
  3. Step 3: Cross multiply
    3,561.36x = 4,912.88 × 2,383.98
  4. Step 4: Simplify right side
    3,561.36x = 11,712,207.66
  5. Step 5: Solve for x
    x = 11,712,207.66/3,561.36
  6. Step 6: Final answer
    x = 3,288.69

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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.