Home / 1,571.83-2,169.19-942.46

Finding the Fourth Proportional to 1,571.83, 2,169.19 and 942.46

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Solution

The fourth proportional to 1,571.83, 2,169.19 and 942.46 is: 1,300.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.83 : 2,169.19 = 942.46 : x
  2. Step 2: Convert to fraction form
    1,571.83/2,169.19 = 942.46/x
  3. Step 3: Cross multiply
    1,571.83x = 2,169.19 × 942.46
  4. Step 4: Simplify right side
    1,571.83x = 2,044,377.87
  5. Step 5: Solve for x
    x = 2,044,377.87/1,571.83
  6. Step 6: Final answer
    x = 1,300.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.