Home / 2,228.34-3,074.67-1,520.70

Finding the Fourth Proportional to 2,228.34, 3,074.67 and 1,520.70

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Solution

The fourth proportional to 2,228.34, 3,074.67 and 1,520.70 is: 2,098.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,228.34 : 3,074.67 = 1,520.70 : x
  2. Step 2: Convert to fraction form
    2,228.34/3,074.67 = 1,520.70/x
  3. Step 3: Cross multiply
    2,228.34x = 3,074.67 × 1,520.70
  4. Step 4: Simplify right side
    2,228.34x = 4,675,650.67
  5. Step 5: Solve for x
    x = 4,675,650.67/2,228.34
  6. Step 6: Final answer
    x = 2,098.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.