Home / 1,571.26-2,353.30-750.11

Finding the Fourth Proportional to 1,571.26, 2,353.30 and 750.11

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Solution

The fourth proportional to 1,571.26, 2,353.30 and 750.11 is: 1,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.26 : 2,353.30 = 750.11 : x
  2. Step 2: Convert to fraction form
    1,571.26/2,353.30 = 750.11/x
  3. Step 3: Cross multiply
    1,571.26x = 2,353.30 × 750.11
  4. Step 4: Simplify right side
    1,571.26x = 1,765,239.75
  5. Step 5: Solve for x
    x = 1,765,239.75/1,571.26
  6. Step 6: Final answer
    x = 1,123.45

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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.