Home / 3,515.13-5,268.47-1,292.18

Finding the Fourth Proportional to 3,515.13, 5,268.47 and 1,292.18

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Solution

The fourth proportional to 3,515.13, 5,268.47 and 1,292.18 is: 1,936.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,515.13 : 5,268.47 = 1,292.18 : x
  2. Step 2: Convert to fraction form
    3,515.13/5,268.47 = 1,292.18/x
  3. Step 3: Cross multiply
    3,515.13x = 5,268.47 × 1,292.18
  4. Step 4: Simplify right side
    3,515.13x = 6,807,778.76
  5. Step 5: Solve for x
    x = 6,807,778.76/3,515.13
  6. Step 6: Final answer
    x = 1,936.71

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1.5x scale

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.