Home / 2,297.93-3,171.34-1,289.62

Finding the Fourth Proportional to 2,297.93, 3,171.34 and 1,289.62

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Solution

The fourth proportional to 2,297.93, 3,171.34 and 1,289.62 is: 1,779.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,297.93 : 3,171.34 = 1,289.62 : x
  2. Step 2: Convert to fraction form
    2,297.93/3,171.34 = 1,289.62/x
  3. Step 3: Cross multiply
    2,297.93x = 3,171.34 × 1,289.62
  4. Step 4: Simplify right side
    2,297.93x = 4,089,823.49
  5. Step 5: Solve for x
    x = 4,089,823.49/2,297.93
  6. Step 6: Final answer
    x = 1,779.79

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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.