Home / 3,382.79-5,076.41-1,191.51

Finding the Fourth Proportional to 3,382.79, 5,076.41 and 1,191.51

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Solution

The fourth proportional to 3,382.79, 5,076.41 and 1,191.51 is: 1,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,382.79 : 5,076.41 = 1,191.51 : x
  2. Step 2: Convert to fraction form
    3,382.79/5,076.41 = 1,191.51/x
  3. Step 3: Cross multiply
    3,382.79x = 5,076.41 × 1,191.51
  4. Step 4: Simplify right side
    3,382.79x = 6,048,587.32
  5. Step 5: Solve for x
    x = 6,048,587.32/3,382.79
  6. Step 6: Final answer
    x = 1,788.05

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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.