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Finding the Fourth Proportional to 3,498.91, 4,828.02 and 1,927.09

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Solution

The fourth proportional to 3,498.91, 4,828.02 and 1,927.09 is: 2,659.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.91 : 4,828.02 = 1,927.09 : x
  2. Step 2: Convert to fraction form
    3,498.91/4,828.02 = 1,927.09/x
  3. Step 3: Cross multiply
    3,498.91x = 4,828.02 × 1,927.09
  4. Step 4: Simplify right side
    3,498.91x = 9,304,029.06
  5. Step 5: Solve for x
    x = 9,304,029.06/3,498.91
  6. Step 6: Final answer
    x = 2,659.12

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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.