Home / 2,261.76-3,390.30-1,529.58

Finding the Fourth Proportional to 2,261.76, 3,390.30 and 1,529.58

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Solution

The fourth proportional to 2,261.76, 3,390.30 and 1,529.58 is: 2,292.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,261.76 : 3,390.30 = 1,529.58 : x
  2. Step 2: Convert to fraction form
    2,261.76/3,390.30 = 1,529.58/x
  3. Step 3: Cross multiply
    2,261.76x = 3,390.30 × 1,529.58
  4. Step 4: Simplify right side
    2,261.76x = 5,185,735.07
  5. Step 5: Solve for x
    x = 5,185,735.07/2,261.76
  6. Step 6: Final answer
    x = 2,292.79

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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.