Home / 3,091.56-4,637.93-1,242.82

Finding the Fourth Proportional to 3,091.56, 4,637.93 and 1,242.82

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Solution

The fourth proportional to 3,091.56, 4,637.93 and 1,242.82 is: 1,864.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.56 : 4,637.93 = 1,242.82 : x
  2. Step 2: Convert to fraction form
    3,091.56/4,637.93 = 1,242.82/x
  3. Step 3: Cross multiply
    3,091.56x = 4,637.93 × 1,242.82
  4. Step 4: Simplify right side
    3,091.56x = 5,764,112.16
  5. Step 5: Solve for x
    x = 5,764,112.16/3,091.56
  6. Step 6: Final answer
    x = 1,864.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.