Home / 2,206.95-3,310.57-746.21

Finding the Fourth Proportional to 2,206.95, 3,310.57 and 746.21

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Solution

The fourth proportional to 2,206.95, 3,310.57 and 746.21 is: 1,119.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,206.95 : 3,310.57 = 746.21 : x
  2. Step 2: Convert to fraction form
    2,206.95/3,310.57 = 746.21/x
  3. Step 3: Cross multiply
    2,206.95x = 3,310.57 × 746.21
  4. Step 4: Simplify right side
    2,206.95x = 2,470,389.65
  5. Step 5: Solve for x
    x = 2,470,389.65/2,206.95
  6. Step 6: Final answer
    x = 1,119.37

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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.