Home / 3,143.46-4,712.92-1,293.93

Finding the Fourth Proportional to 3,143.46, 4,712.92 and 1,293.93

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Solution

The fourth proportional to 3,143.46, 4,712.92 and 1,293.93 is: 1,939.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,143.46 : 4,712.92 = 1,293.93 : x
  2. Step 2: Convert to fraction form
    3,143.46/4,712.92 = 1,293.93/x
  3. Step 3: Cross multiply
    3,143.46x = 4,712.92 × 1,293.93
  4. Step 4: Simplify right side
    3,143.46x = 6,098,185.34
  5. Step 5: Solve for x
    x = 6,098,185.34/3,143.46
  6. Step 6: Final answer
    x = 1,939.96

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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.