Home / 2,571.76-3,548.99-1,392.82

Finding the Fourth Proportional to 2,571.76, 3,548.99 and 1,392.82

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Solution

The fourth proportional to 2,571.76, 3,548.99 and 1,392.82 is: 1,922.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,571.76 : 3,548.99 = 1,392.82 : x
  2. Step 2: Convert to fraction form
    2,571.76/3,548.99 = 1,392.82/x
  3. Step 3: Cross multiply
    2,571.76x = 3,548.99 × 1,392.82
  4. Step 4: Simplify right side
    2,571.76x = 4,943,079.54
  5. Step 5: Solve for x
    x = 4,943,079.54/2,571.76
  6. Step 6: Final answer
    x = 1,922.06

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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.