Home / 2,610.44-3,911.33-1,878.92

Finding the Fourth Proportional to 2,610.44, 3,911.33 and 1,878.92

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Solution

The fourth proportional to 2,610.44, 3,911.33 and 1,878.92 is: 2,815.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,610.44 : 3,911.33 = 1,878.92 : x
  2. Step 2: Convert to fraction form
    2,610.44/3,911.33 = 1,878.92/x
  3. Step 3: Cross multiply
    2,610.44x = 3,911.33 × 1,878.92
  4. Step 4: Simplify right side
    2,610.44x = 7,349,076.16
  5. Step 5: Solve for x
    x = 7,349,076.16/2,610.44
  6. Step 6: Final answer
    x = 2,815.26

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1.5x scale

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.