Home / 3,134.32-4,700.71-1,285.96

Finding the Fourth Proportional to 3,134.32, 4,700.71 and 1,285.96

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Solution

The fourth proportional to 3,134.32, 4,700.71 and 1,285.96 is: 1,928.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.32 : 4,700.71 = 1,285.96 : x
  2. Step 2: Convert to fraction form
    3,134.32/4,700.71 = 1,285.96/x
  3. Step 3: Cross multiply
    3,134.32x = 4,700.71 × 1,285.96
  4. Step 4: Simplify right side
    3,134.32x = 6,044,918.60
  5. Step 5: Solve for x
    x = 6,044,918.60/3,134.32
  6. Step 6: Final answer
    x = 1,928.62

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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.