Home / 1,571.70-2,357.01-1,110.54

Finding the Fourth Proportional to 1,571.70, 2,357.01 and 1,110.54

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Solution

The fourth proportional to 1,571.70, 2,357.01 and 1,110.54 is: 1,665.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.70 : 2,357.01 = 1,110.54 : x
  2. Step 2: Convert to fraction form
    1,571.70/2,357.01 = 1,110.54/x
  3. Step 3: Cross multiply
    1,571.70x = 2,357.01 × 1,110.54
  4. Step 4: Simplify right side
    1,571.70x = 2,617,553.89
  5. Step 5: Solve for x
    x = 2,617,553.89/1,571.70
  6. Step 6: Final answer
    x = 1,665.43

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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.