Home / 2,817.75-4,226.17-943.67

Finding the Fourth Proportional to 2,817.75, 4,226.17 and 943.67

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Solution

The fourth proportional to 2,817.75, 4,226.17 and 943.67 is: 1,415.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,817.75 : 4,226.17 = 943.67 : x
  2. Step 2: Convert to fraction form
    2,817.75/4,226.17 = 943.67/x
  3. Step 3: Cross multiply
    2,817.75x = 4,226.17 × 943.67
  4. Step 4: Simplify right side
    2,817.75x = 3,988,083.99
  5. Step 5: Solve for x
    x = 3,988,083.99/2,817.75
  6. Step 6: Final answer
    x = 1,415.35

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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.