Home / 2,261.28-3,122.52-1,599.60

Finding the Fourth Proportional to 2,261.28, 3,122.52 and 1,599.60

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Solution

The fourth proportional to 2,261.28, 3,122.52 and 1,599.60 is: 2,208.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.28 : 3,122.52 = 1,599.60 : x
  2. Step 2: Convert to fraction form
    2,261.28/3,122.52 = 1,599.60/x
  3. Step 3: Cross multiply
    2,261.28x = 3,122.52 × 1,599.60
  4. Step 4: Simplify right side
    2,261.28x = 4,994,782.99
  5. Step 5: Solve for x
    x = 4,994,782.99/2,261.28
  6. Step 6: Final answer
    x = 2,208.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.