Home / 3,490.12-5,231.96-1,514.50

Finding the Fourth Proportional to 3,490.12, 5,231.96 and 1,514.50

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Solution

The fourth proportional to 3,490.12, 5,231.96 and 1,514.50 is: 2,270.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.12 : 5,231.96 = 1,514.50 : x
  2. Step 2: Convert to fraction form
    3,490.12/5,231.96 = 1,514.50/x
  3. Step 3: Cross multiply
    3,490.12x = 5,231.96 × 1,514.50
  4. Step 4: Simplify right side
    3,490.12x = 7,923,803.42
  5. Step 5: Solve for x
    x = 7,923,803.42/3,490.12
  6. Step 6: Final answer
    x = 2,270.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.