Home / 2,954.61-4,428.79-1,490.67

Finding the Fourth Proportional to 2,954.61, 4,428.79 and 1,490.67

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Solution

The fourth proportional to 2,954.61, 4,428.79 and 1,490.67 is: 2,234.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,954.61 : 4,428.79 = 1,490.67 : x
  2. Step 2: Convert to fraction form
    2,954.61/4,428.79 = 1,490.67/x
  3. Step 3: Cross multiply
    2,954.61x = 4,428.79 × 1,490.67
  4. Step 4: Simplify right side
    2,954.61x = 6,601,860.66
  5. Step 5: Solve for x
    x = 6,601,860.66/2,954.61
  6. Step 6: Final answer
    x = 2,234.43

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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.