Home / 2,686.03-4,029.19-837.09

Finding the Fourth Proportional to 2,686.03, 4,029.19 and 837.09

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Solution

The fourth proportional to 2,686.03, 4,029.19 and 837.09 is: 1,255.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.03 : 4,029.19 = 837.09 : x
  2. Step 2: Convert to fraction form
    2,686.03/4,029.19 = 837.09/x
  3. Step 3: Cross multiply
    2,686.03x = 4,029.19 × 837.09
  4. Step 4: Simplify right side
    2,686.03x = 3,372,792.56
  5. Step 5: Solve for x
    x = 3,372,792.56/2,686.03
  6. Step 6: Final answer
    x = 1,255.68

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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.