Home / 1,709.85-2,558.53-1,579.17

Finding the Fourth Proportional to 1,709.85, 2,558.53 and 1,579.17

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Solution

The fourth proportional to 1,709.85, 2,558.53 and 1,579.17 is: 2,362.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,709.85 : 2,558.53 = 1,579.17 : x
  2. Step 2: Convert to fraction form
    1,709.85/2,558.53 = 1,579.17/x
  3. Step 3: Cross multiply
    1,709.85x = 2,558.53 × 1,579.17
  4. Step 4: Simplify right side
    1,709.85x = 4,040,353.82
  5. Step 5: Solve for x
    x = 4,040,353.82/1,709.85
  6. Step 6: Final answer
    x = 2,362.99

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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.