Home / 1,250.21-1,724.30-1,166.37

Finding the Fourth Proportional to 1,250.21, 1,724.30 and 1,166.37

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Solution

The fourth proportional to 1,250.21, 1,724.30 and 1,166.37 is: 1,608.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,250.21 : 1,724.30 = 1,166.37 : x
  2. Step 2: Convert to fraction form
    1,250.21/1,724.30 = 1,166.37/x
  3. Step 3: Cross multiply
    1,250.21x = 1,724.30 × 1,166.37
  4. Step 4: Simplify right side
    1,250.21x = 2,011,170.33
  5. Step 5: Solve for x
    x = 2,011,170.33/1,250.21
  6. Step 6: Final answer
    x = 1,608.67

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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.