Home / 2,587.70-3,571.27-1,593.56

Finding the Fourth Proportional to 2,587.70, 3,571.27 and 1,593.56

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Solution

The fourth proportional to 2,587.70, 3,571.27 and 1,593.56 is: 2,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,587.70 : 3,571.27 = 1,593.56 : x
  2. Step 2: Convert to fraction form
    2,587.70/3,571.27 = 1,593.56/x
  3. Step 3: Cross multiply
    2,587.70x = 3,571.27 × 1,593.56
  4. Step 4: Simplify right side
    2,587.70x = 5,691,011.18
  5. Step 5: Solve for x
    x = 5,691,011.18/2,587.70
  6. Step 6: Final answer
    x = 2,199.26

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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.