Home / 1,492.62-2,234.26-943.98

Finding the Fourth Proportional to 1,492.62, 2,234.26 and 943.98

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Solution

The fourth proportional to 1,492.62, 2,234.26 and 943.98 is: 1,413.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,492.62 : 2,234.26 = 943.98 : x
  2. Step 2: Convert to fraction form
    1,492.62/2,234.26 = 943.98/x
  3. Step 3: Cross multiply
    1,492.62x = 2,234.26 × 943.98
  4. Step 4: Simplify right side
    1,492.62x = 2,109,096.75
  5. Step 5: Solve for x
    x = 2,109,096.75/1,492.62
  6. Step 6: Final answer
    x = 1,413.02

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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.