Home / 2,143.83-3,208.44-1,797.56

Finding the Fourth Proportional to 2,143.83, 3,208.44 and 1,797.56

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Solution

The fourth proportional to 2,143.83, 3,208.44 and 1,797.56 is: 2,690.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,143.83 : 3,208.44 = 1,797.56 : x
  2. Step 2: Convert to fraction form
    2,143.83/3,208.44 = 1,797.56/x
  3. Step 3: Cross multiply
    2,143.83x = 3,208.44 × 1,797.56
  4. Step 4: Simplify right side
    2,143.83x = 5,767,347.36
  5. Step 5: Solve for x
    x = 5,767,347.36/2,143.83
  6. Step 6: Final answer
    x = 2,690.21

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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.