Home / 3,134.66-4,700.90-1,285.25

Finding the Fourth Proportional to 3,134.66, 4,700.90 and 1,285.25

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Solution

The fourth proportional to 3,134.66, 4,700.90 and 1,285.25 is: 1,927.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,134.66 : 4,700.90 = 1,285.25 : x
  2. Step 2: Convert to fraction form
    3,134.66/4,700.90 = 1,285.25/x
  3. Step 3: Cross multiply
    3,134.66x = 4,700.90 × 1,285.25
  4. Step 4: Simplify right side
    3,134.66x = 6,041,811.43
  5. Step 5: Solve for x
    x = 6,041,811.43/3,134.66
  6. Step 6: Final answer
    x = 1,927.42

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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.