Home / 2,784.36-4,166.88-1,729.74

Finding the Fourth Proportional to 2,784.36, 4,166.88 and 1,729.74

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Solution

The fourth proportional to 2,784.36, 4,166.88 and 1,729.74 is: 2,588.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.36 : 4,166.88 = 1,729.74 : x
  2. Step 2: Convert to fraction form
    2,784.36/4,166.88 = 1,729.74/x
  3. Step 3: Cross multiply
    2,784.36x = 4,166.88 × 1,729.74
  4. Step 4: Simplify right side
    2,784.36x = 7,207,628.15
  5. Step 5: Solve for x
    x = 7,207,628.15/2,784.36
  6. Step 6: Final answer
    x = 2,588.61

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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.