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Finding the Fourth Proportional to 2,690.52, 4,016.07 and 2,379.48

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Solution

The fourth proportional to 2,690.52, 4,016.07 and 2,379.48 is: 3,551.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,690.52 : 4,016.07 = 2,379.48 : x
  2. Step 2: Convert to fraction form
    2,690.52/4,016.07 = 2,379.48/x
  3. Step 3: Cross multiply
    2,690.52x = 4,016.07 × 2,379.48
  4. Step 4: Simplify right side
    2,690.52x = 9,556,158.24
  5. Step 5: Solve for x
    x = 9,556,158.24/2,690.52
  6. Step 6: Final answer
    x = 3,551.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.