Home / 3,356-4,631.52-1,863.92

Finding the Fourth Proportional to 3,356, 4,631.52 and 1,863.92

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Solution

The fourth proportional to 3,356, 4,631.52 and 1,863.92 is: 2,572.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,356 : 4,631.52 = 1,863.92 : x
  2. Step 2: Convert to fraction form
    3,356/4,631.52 = 1,863.92/x
  3. Step 3: Cross multiply
    3,356x = 4,631.52 × 1,863.92
  4. Step 4: Simplify right side
    3,356x = 8,632,782.76
  5. Step 5: Solve for x
    x = 8,632,782.76/3,356
  6. Step 6: Final answer
    x = 2,572.34

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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.