Home / 2,814.03-4,225.90-1,724.78

Finding the Fourth Proportional to 2,814.03, 4,225.90 and 1,724.78

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Solution

The fourth proportional to 2,814.03, 4,225.90 and 1,724.78 is: 2,590.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,814.03 : 4,225.90 = 1,724.78 : x
  2. Step 2: Convert to fraction form
    2,814.03/4,225.90 = 1,724.78/x
  3. Step 3: Cross multiply
    2,814.03x = 4,225.90 × 1,724.78
  4. Step 4: Simplify right side
    2,814.03x = 7,288,747.80
  5. Step 5: Solve for x
    x = 7,288,747.80/2,814.03
  6. Step 6: Final answer
    x = 2,590.15

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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.