Home / 3,848.92-5,309.63-2,431.93

Finding the Fourth Proportional to 3,848.92, 5,309.63 and 2,431.93

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Solution

The fourth proportional to 3,848.92, 5,309.63 and 2,431.93 is: 3,354.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.92 : 5,309.63 = 2,431.93 : x
  2. Step 2: Convert to fraction form
    3,848.92/5,309.63 = 2,431.93/x
  3. Step 3: Cross multiply
    3,848.92x = 5,309.63 × 2,431.93
  4. Step 4: Simplify right side
    3,848.92x = 12,912,632.17
  5. Step 5: Solve for x
    x = 12,912,632.17/3,848.92
  6. Step 6: Final answer
    x = 3,354.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.