Home / 3,074.28-4,612.14-1,126.56

Finding the Fourth Proportional to 3,074.28, 4,612.14 and 1,126.56

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Solution

The fourth proportional to 3,074.28, 4,612.14 and 1,126.56 is: 1,690.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,074.28 : 4,612.14 = 1,126.56 : x
  2. Step 2: Convert to fraction form
    3,074.28/4,612.14 = 1,126.56/x
  3. Step 3: Cross multiply
    3,074.28x = 4,612.14 × 1,126.56
  4. Step 4: Simplify right side
    3,074.28x = 5,195,852.44
  5. Step 5: Solve for x
    x = 5,195,852.44/3,074.28
  6. Step 6: Final answer
    x = 1,690.10

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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.