Home / 2,650.40-3,968.28-1,345.52

Finding the Fourth Proportional to 2,650.40, 3,968.28 and 1,345.52

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Solution

The fourth proportional to 2,650.40, 3,968.28 and 1,345.52 is: 2,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650.40 : 3,968.28 = 1,345.52 : x
  2. Step 2: Convert to fraction form
    2,650.40/3,968.28 = 1,345.52/x
  3. Step 3: Cross multiply
    2,650.40x = 3,968.28 × 1,345.52
  4. Step 4: Simplify right side
    2,650.40x = 5,339,400.11
  5. Step 5: Solve for x
    x = 5,339,400.11/2,650.40
  6. Step 6: Final answer
    x = 2,014.56

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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.