Home / 3,092.20-4,638.42-1,012.48

Finding the Fourth Proportional to 3,092.20, 4,638.42 and 1,012.48

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Solution

The fourth proportional to 3,092.20, 4,638.42 and 1,012.48 is: 1,518.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,092.20 : 4,638.42 = 1,012.48 : x
  2. Step 2: Convert to fraction form
    3,092.20/4,638.42 = 1,012.48/x
  3. Step 3: Cross multiply
    3,092.20x = 4,638.42 × 1,012.48
  4. Step 4: Simplify right side
    3,092.20x = 4,696,307.48
  5. Step 5: Solve for x
    x = 4,696,307.48/3,092.20
  6. Step 6: Final answer
    x = 1,518.76

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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.