Home / 3,571.37-5,357.55-1,106.39

Finding the Fourth Proportional to 3,571.37, 5,357.55 and 1,106.39

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Solution

The fourth proportional to 3,571.37, 5,357.55 and 1,106.39 is: 1,659.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,571.37 : 5,357.55 = 1,106.39 : x
  2. Step 2: Convert to fraction form
    3,571.37/5,357.55 = 1,106.39/x
  3. Step 3: Cross multiply
    3,571.37x = 5,357.55 × 1,106.39
  4. Step 4: Simplify right side
    3,571.37x = 5,927,539.74
  5. Step 5: Solve for x
    x = 5,927,539.74/3,571.37
  6. Step 6: Final answer
    x = 1,659.74

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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.