Home / 2,600.84-3,896.40-1,366.76

Finding the Fourth Proportional to 2,600.84, 3,896.40 and 1,366.76

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Solution

The fourth proportional to 2,600.84, 3,896.40 and 1,366.76 is: 2,047.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,600.84 : 3,896.40 = 1,366.76 : x
  2. Step 2: Convert to fraction form
    2,600.84/3,896.40 = 1,366.76/x
  3. Step 3: Cross multiply
    2,600.84x = 3,896.40 × 1,366.76
  4. Step 4: Simplify right side
    2,600.84x = 5,325,443.66
  5. Step 5: Solve for x
    x = 5,325,443.66/2,600.84
  6. Step 6: Final answer
    x = 2,047.59

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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.