Home / 3,074.48-4,612.44-1,127.12

Finding the Fourth Proportional to 3,074.48, 4,612.44 and 1,127.12

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Solution

The fourth proportional to 3,074.48, 4,612.44 and 1,127.12 is: 1,690.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.48 : 4,612.44 = 1,127.12 : x
  2. Step 2: Convert to fraction form
    3,074.48/4,612.44 = 1,127.12/x
  3. Step 3: Cross multiply
    3,074.48x = 4,612.44 × 1,127.12
  4. Step 4: Simplify right side
    3,074.48x = 5,198,773.37
  5. Step 5: Solve for x
    x = 5,198,773.37/3,074.48
  6. Step 6: Final answer
    x = 1,690.94

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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.