Home / 3,088.56-4,629.96-1,139.25

Finding the Fourth Proportional to 3,088.56, 4,629.96 and 1,139.25

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Solution

The fourth proportional to 3,088.56, 4,629.96 and 1,139.25 is: 1,707.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,088.56 : 4,629.96 = 1,139.25 : x
  2. Step 2: Convert to fraction form
    3,088.56/4,629.96 = 1,139.25/x
  3. Step 3: Cross multiply
    3,088.56x = 4,629.96 × 1,139.25
  4. Step 4: Simplify right side
    3,088.56x = 5,274,681.93
  5. Step 5: Solve for x
    x = 5,274,681.93/3,088.56
  6. Step 6: Final answer
    x = 1,707.81

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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.