Home / 2,220.46-3,063.27-1,276.03

Finding the Fourth Proportional to 2,220.46, 3,063.27 and 1,276.03

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Solution

The fourth proportional to 2,220.46, 3,063.27 and 1,276.03 is: 1,760.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,220.46 : 3,063.27 = 1,276.03 : x
  2. Step 2: Convert to fraction form
    2,220.46/3,063.27 = 1,276.03/x
  3. Step 3: Cross multiply
    2,220.46x = 3,063.27 × 1,276.03
  4. Step 4: Simplify right side
    2,220.46x = 3,908,825.85
  5. Step 5: Solve for x
    x = 3,908,825.85/2,220.46
  6. Step 6: Final answer
    x = 1,760.37

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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.