Home / 3,088.11-4,261.63-1,761.89

Finding the Fourth Proportional to 3,088.11, 4,261.63 and 1,761.89

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Solution

The fourth proportional to 3,088.11, 4,261.63 and 1,761.89 is: 2,431.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.11 : 4,261.63 = 1,761.89 : x
  2. Step 2: Convert to fraction form
    3,088.11/4,261.63 = 1,761.89/x
  3. Step 3: Cross multiply
    3,088.11x = 4,261.63 × 1,761.89
  4. Step 4: Simplify right side
    3,088.11x = 7,508,523.28
  5. Step 5: Solve for x
    x = 7,508,523.28/3,088.11
  6. Step 6: Final answer
    x = 2,431.43

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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.