Home / 2,134.36-3,202.86-1,038.76

Finding the Fourth Proportional to 2,134.36, 3,202.86 and 1,038.76

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Solution

The fourth proportional to 2,134.36, 3,202.86 and 1,038.76 is: 1,558.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,134.36 : 3,202.86 = 1,038.76 : x
  2. Step 2: Convert to fraction form
    2,134.36/3,202.86 = 1,038.76/x
  3. Step 3: Cross multiply
    2,134.36x = 3,202.86 × 1,038.76
  4. Step 4: Simplify right side
    2,134.36x = 3,327,002.85
  5. Step 5: Solve for x
    x = 3,327,002.85/2,134.36
  6. Step 6: Final answer
    x = 1,558.78

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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.