Home / 3,134.52-4,698.96-1,188.09

Finding the Fourth Proportional to 3,134.52, 4,698.96 and 1,188.09

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Solution

The fourth proportional to 3,134.52, 4,698.96 and 1,188.09 is: 1,781.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.52 : 4,698.96 = 1,188.09 : x
  2. Step 2: Convert to fraction form
    3,134.52/4,698.96 = 1,188.09/x
  3. Step 3: Cross multiply
    3,134.52x = 4,698.96 × 1,188.09
  4. Step 4: Simplify right side
    3,134.52x = 5,582,787.39
  5. Step 5: Solve for x
    x = 5,582,787.39/3,134.52
  6. Step 6: Final answer
    x = 1,781.07

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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.