Home / 2,766.56-4,147.40-1,448.89

Finding the Fourth Proportional to 2,766.56, 4,147.40 and 1,448.89

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Solution

The fourth proportional to 2,766.56, 4,147.40 and 1,448.89 is: 2,172.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,766.56 : 4,147.40 = 1,448.89 : x
  2. Step 2: Convert to fraction form
    2,766.56/4,147.40 = 1,448.89/x
  3. Step 3: Cross multiply
    2,766.56x = 4,147.40 × 1,448.89
  4. Step 4: Simplify right side
    2,766.56x = 6,009,119.64
  5. Step 5: Solve for x
    x = 6,009,119.64/2,766.56
  6. Step 6: Final answer
    x = 2,172.06

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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.