Home / 3,091.32-4,635.54-1,143.36

Finding the Fourth Proportional to 3,091.32, 4,635.54 and 1,143.36

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Solution

The fourth proportional to 3,091.32, 4,635.54 and 1,143.36 is: 1,714.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,091.32 : 4,635.54 = 1,143.36 : x
  2. Step 2: Convert to fraction form
    3,091.32/4,635.54 = 1,143.36/x
  3. Step 3: Cross multiply
    3,091.32x = 4,635.54 × 1,143.36
  4. Step 4: Simplify right side
    3,091.32x = 5,300,091.01
  5. Step 5: Solve for x
    x = 5,300,091.01/3,091.32
  6. Step 6: Final answer
    x = 1,714.51

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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.