Home / 2,040.90-3,054.55-1,551.21

Finding the Fourth Proportional to 2,040.90, 3,054.55 and 1,551.21

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Solution

The fourth proportional to 2,040.90, 3,054.55 and 1,551.21 is: 2,321.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,040.90 : 3,054.55 = 1,551.21 : x
  2. Step 2: Convert to fraction form
    2,040.90/3,054.55 = 1,551.21/x
  3. Step 3: Cross multiply
    2,040.90x = 3,054.55 × 1,551.21
  4. Step 4: Simplify right side
    2,040.90x = 4,738,248.51
  5. Step 5: Solve for x
    x = 4,738,248.51/2,040.90
  6. Step 6: Final answer
    x = 2,321.65

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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.