Home / 3,448.78-4,759.38-1,876.88

Finding the Fourth Proportional to 3,448.78, 4,759.38 and 1,876.88

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Solution

The fourth proportional to 3,448.78, 4,759.38 and 1,876.88 is: 2,590.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,448.78 : 4,759.38 = 1,876.88 : x
  2. Step 2: Convert to fraction form
    3,448.78/4,759.38 = 1,876.88/x
  3. Step 3: Cross multiply
    3,448.78x = 4,759.38 × 1,876.88
  4. Step 4: Simplify right side
    3,448.78x = 8,932,785.13
  5. Step 5: Solve for x
    x = 8,932,785.13/3,448.78
  6. Step 6: Final answer
    x = 2,590.13

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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.