Home / 2,817.80-4,226.70-2,271.06

Finding the Fourth Proportional to 2,817.80, 4,226.70 and 2,271.06

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Solution

The fourth proportional to 2,817.80, 4,226.70 and 2,271.06 is: 3,406.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.80 : 4,226.70 = 2,271.06 : x
  2. Step 2: Convert to fraction form
    2,817.80/4,226.70 = 2,271.06/x
  3. Step 3: Cross multiply
    2,817.80x = 4,226.70 × 2,271.06
  4. Step 4: Simplify right side
    2,817.80x = 9,599,089.30
  5. Step 5: Solve for x
    x = 9,599,089.30/2,817.80
  6. Step 6: Final answer
    x = 3,406.59

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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.