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Finding the Fourth Proportional to 3,092.76, 4,639.02 and 1,012.76

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Solution

The fourth proportional to 3,092.76, 4,639.02 and 1,012.76 is: 1,519.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.76 : 4,639.02 = 1,012.76 : x
  2. Step 2: Convert to fraction form
    3,092.76/4,639.02 = 1,012.76/x
  3. Step 3: Cross multiply
    3,092.76x = 4,639.02 × 1,012.76
  4. Step 4: Simplify right side
    3,092.76x = 4,698,213.90
  5. Step 5: Solve for x
    x = 4,698,213.90/3,092.76
  6. Step 6: Final answer
    x = 1,519.10

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1.5x scale

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.