Home / 3,219.31-4,827.94-1,658.83

Finding the Fourth Proportional to 3,219.31, 4,827.94 and 1,658.83

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Solution

The fourth proportional to 3,219.31, 4,827.94 and 1,658.83 is: 2,487.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,219.31 : 4,827.94 = 1,658.83 : x
  2. Step 2: Convert to fraction form
    3,219.31/4,827.94 = 1,658.83/x
  3. Step 3: Cross multiply
    3,219.31x = 4,827.94 × 1,658.83
  4. Step 4: Simplify right side
    3,219.31x = 8,008,731.71
  5. Step 5: Solve for x
    x = 8,008,731.71/3,219.31
  6. Step 6: Final answer
    x = 2,487.72

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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.