Home / 1,486.22-2,051.97-1,393.30

Finding the Fourth Proportional to 1,486.22, 2,051.97 and 1,393.30

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Solution

The fourth proportional to 1,486.22, 2,051.97 and 1,393.30 is: 1,923.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,486.22 : 2,051.97 = 1,393.30 : x
  2. Step 2: Convert to fraction form
    1,486.22/2,051.97 = 1,393.30/x
  3. Step 3: Cross multiply
    1,486.22x = 2,051.97 × 1,393.30
  4. Step 4: Simplify right side
    1,486.22x = 2,858,999.54
  5. Step 5: Solve for x
    x = 2,858,999.54/1,486.22
  6. Step 6: Final answer
    x = 1,923.67

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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.