Home / 1,571.44-2,167.56-1,012.62

Finding the Fourth Proportional to 1,571.44, 2,167.56 and 1,012.62

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Solution

The fourth proportional to 1,571.44, 2,167.56 and 1,012.62 is: 1,396.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,571.44 : 2,167.56 = 1,012.62 : x
  2. Step 2: Convert to fraction form
    1,571.44/2,167.56 = 1,012.62/x
  3. Step 3: Cross multiply
    1,571.44x = 2,167.56 × 1,012.62
  4. Step 4: Simplify right side
    1,571.44x = 2,194,914.61
  5. Step 5: Solve for x
    x = 2,194,914.61/1,571.44
  6. Step 6: Final answer
    x = 1,396.75

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1.5x scale

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.