Home / 1,571.26-2,356.17-475.70

Finding the Fourth Proportional to 1,571.26, 2,356.17 and 475.70

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Solution

The fourth proportional to 1,571.26, 2,356.17 and 475.70 is: 713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.26 : 2,356.17 = 475.70 : x
  2. Step 2: Convert to fraction form
    1,571.26/2,356.17 = 475.70/x
  3. Step 3: Cross multiply
    1,571.26x = 2,356.17 × 475.70
  4. Step 4: Simplify right side
    1,571.26x = 1,120,830.07
  5. Step 5: Solve for x
    x = 1,120,830.07/1,571.26
  6. Step 6: Final answer
    x = 713.33

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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.