Home / 3,268.71-4,901.53-1,187.25

Finding the Fourth Proportional to 3,268.71, 4,901.53 and 1,187.25

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Solution

The fourth proportional to 3,268.71, 4,901.53 and 1,187.25 is: 1,780.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,268.71 : 4,901.53 = 1,187.25 : x
  2. Step 2: Convert to fraction form
    3,268.71/4,901.53 = 1,187.25/x
  3. Step 3: Cross multiply
    3,268.71x = 4,901.53 × 1,187.25
  4. Step 4: Simplify right side
    3,268.71x = 5,819,326.27
  5. Step 5: Solve for x
    x = 5,819,326.27/3,268.71
  6. Step 6: Final answer
    x = 1,780.31

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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.