Home / 1,707.88-2,560.44-1,571.20

Finding the Fourth Proportional to 1,707.88, 2,560.44 and 1,571.20

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Solution

The fourth proportional to 1,707.88, 2,560.44 and 1,571.20 is: 2,355.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,707.88 : 2,560.44 = 1,571.20 : x
  2. Step 2: Convert to fraction form
    1,707.88/2,560.44 = 1,571.20/x
  3. Step 3: Cross multiply
    1,707.88x = 2,560.44 × 1,571.20
  4. Step 4: Simplify right side
    1,707.88x = 4,022,963.33
  5. Step 5: Solve for x
    x = 4,022,963.33/1,707.88
  6. Step 6: Final answer
    x = 2,355.53

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1.5x scale

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.