Home / 2,433.78-3,357.21-1,648.02

Finding the Fourth Proportional to 2,433.78, 3,357.21 and 1,648.02

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Solution

The fourth proportional to 2,433.78, 3,357.21 and 1,648.02 is: 2,273.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,433.78 : 3,357.21 = 1,648.02 : x
  2. Step 2: Convert to fraction form
    2,433.78/3,357.21 = 1,648.02/x
  3. Step 3: Cross multiply
    2,433.78x = 3,357.21 × 1,648.02
  4. Step 4: Simplify right side
    2,433.78x = 5,532,749.22
  5. Step 5: Solve for x
    x = 5,532,749.22/2,433.78
  6. Step 6: Final answer
    x = 2,273.32

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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.