Home / 2,686.67-4,029.35-1,904.41

Finding the Fourth Proportional to 2,686.67, 4,029.35 and 1,904.41

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Solution

The fourth proportional to 2,686.67, 4,029.35 and 1,904.41 is: 2,856.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,686.67 : 4,029.35 = 1,904.41 : x
  2. Step 2: Convert to fraction form
    2,686.67/4,029.35 = 1,904.41/x
  3. Step 3: Cross multiply
    2,686.67x = 4,029.35 × 1,904.41
  4. Step 4: Simplify right side
    2,686.67x = 7,673,529.95
  5. Step 5: Solve for x
    x = 7,673,529.95/2,686.67
  6. Step 6: Final answer
    x = 2,856.15

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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.