Home / 3,109.50-4,288.94-2,046.93

Finding the Fourth Proportional to 3,109.50, 4,288.94 and 2,046.93

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Solution

The fourth proportional to 3,109.50, 4,288.94 and 2,046.93 is: 2,823.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,109.50 : 4,288.94 = 2,046.93 : x
  2. Step 2: Convert to fraction form
    3,109.50/4,288.94 = 2,046.93/x
  3. Step 3: Cross multiply
    3,109.50x = 4,288.94 × 2,046.93
  4. Step 4: Simplify right side
    3,109.50x = 8,779,159.95
  5. Step 5: Solve for x
    x = 8,779,159.95/3,109.50
  6. Step 6: Final answer
    x = 2,823.33

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1.5x scale

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.