Home / 1,634.62-2,445.87-976.86

Finding the Fourth Proportional to 1,634.62, 2,445.87 and 976.86

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Solution

The fourth proportional to 1,634.62, 2,445.87 and 976.86 is: 1,461.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.62 : 2,445.87 = 976.86 : x
  2. Step 2: Convert to fraction form
    1,634.62/2,445.87 = 976.86/x
  3. Step 3: Cross multiply
    1,634.62x = 2,445.87 × 976.86
  4. Step 4: Simplify right side
    1,634.62x = 2,389,273.48
  5. Step 5: Solve for x
    x = 2,389,273.48/1,634.62
  6. Step 6: Final answer
    x = 1,461.67

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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.