Home / 2,621.34-3,929.93-1,797.09

Finding the Fourth Proportional to 2,621.34, 3,929.93 and 1,797.09

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Solution

The fourth proportional to 2,621.34, 3,929.93 and 1,797.09 is: 2,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,621.34 : 3,929.93 = 1,797.09 : x
  2. Step 2: Convert to fraction form
    2,621.34/3,929.93 = 1,797.09/x
  3. Step 3: Cross multiply
    2,621.34x = 3,929.93 × 1,797.09
  4. Step 4: Simplify right side
    2,621.34x = 7,062,428.92
  5. Step 5: Solve for x
    x = 7,062,428.92/2,621.34
  6. Step 6: Final answer
    x = 2,694.21

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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.