Home / 3,690.98-5,093.52-2,119.08

Finding the Fourth Proportional to 3,690.98, 5,093.52 and 2,119.08

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Solution

The fourth proportional to 3,690.98, 5,093.52 and 2,119.08 is: 2,924.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,690.98 : 5,093.52 = 2,119.08 : x
  2. Step 2: Convert to fraction form
    3,690.98/5,093.52 = 2,119.08/x
  3. Step 3: Cross multiply
    3,690.98x = 5,093.52 × 2,119.08
  4. Step 4: Simplify right side
    3,690.98x = 10,793,576.36
  5. Step 5: Solve for x
    x = 10,793,576.36/3,690.98
  6. Step 6: Final answer
    x = 2,924.31

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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.