Home / 3,459.56-5,190.57-1,268.91

Finding the Fourth Proportional to 3,459.56, 5,190.57 and 1,268.91

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Solution

The fourth proportional to 3,459.56, 5,190.57 and 1,268.91 is: 1,903.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,459.56 : 5,190.57 = 1,268.91 : x
  2. Step 2: Convert to fraction form
    3,459.56/5,190.57 = 1,268.91/x
  3. Step 3: Cross multiply
    3,459.56x = 5,190.57 × 1,268.91
  4. Step 4: Simplify right side
    3,459.56x = 6,586,366.18
  5. Step 5: Solve for x
    x = 6,586,366.18/3,459.56
  6. Step 6: Final answer
    x = 1,903.82

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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.