Home / 2,706.20-4,059.30-2,159.45

Finding the Fourth Proportional to 2,706.20, 4,059.30 and 2,159.45

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Solution

The fourth proportional to 2,706.20, 4,059.30 and 2,159.45 is: 3,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,706.20 : 4,059.30 = 2,159.45 : x
  2. Step 2: Convert to fraction form
    2,706.20/4,059.30 = 2,159.45/x
  3. Step 3: Cross multiply
    2,706.20x = 4,059.30 × 2,159.45
  4. Step 4: Simplify right side
    2,706.20x = 8,765,855.39
  5. Step 5: Solve for x
    x = 8,765,855.39/2,706.20
  6. Step 6: Final answer
    x = 3,239.18

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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.