Home / 3,348.43-4,620.78-1,856.32

Finding the Fourth Proportional to 3,348.43, 4,620.78 and 1,856.32

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Solution

The fourth proportional to 3,348.43, 4,620.78 and 1,856.32 is: 2,561.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,348.43 : 4,620.78 = 1,856.32 : x
  2. Step 2: Convert to fraction form
    3,348.43/4,620.78 = 1,856.32/x
  3. Step 3: Cross multiply
    3,348.43x = 4,620.78 × 1,856.32
  4. Step 4: Simplify right side
    3,348.43x = 8,577,634.78
  5. Step 5: Solve for x
    x = 8,577,634.78/3,348.43
  6. Step 6: Final answer
    x = 2,561.69

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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.