Home / 2,817.80-4,226.56-1,352.48

Finding the Fourth Proportional to 2,817.80, 4,226.56 and 1,352.48

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Solution

The fourth proportional to 2,817.80, 4,226.56 and 1,352.48 is: 2,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.80 : 4,226.56 = 1,352.48 : x
  2. Step 2: Convert to fraction form
    2,817.80/4,226.56 = 1,352.48/x
  3. Step 3: Cross multiply
    2,817.80x = 4,226.56 × 1,352.48
  4. Step 4: Simplify right side
    2,817.80x = 5,716,337.87
  5. Step 5: Solve for x
    x = 5,716,337.87/2,817.80
  6. Step 6: Final answer
    x = 2,028.65

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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.