Home / 3,056.33-4,217.40-1,729.77

Finding the Fourth Proportional to 3,056.33, 4,217.40 and 1,729.77

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Solution

The fourth proportional to 3,056.33, 4,217.40 and 1,729.77 is: 2,386.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.33 : 4,217.40 = 1,729.77 : x
  2. Step 2: Convert to fraction form
    3,056.33/4,217.40 = 1,729.77/x
  3. Step 3: Cross multiply
    3,056.33x = 4,217.40 × 1,729.77
  4. Step 4: Simplify right side
    3,056.33x = 7,295,110.91
  5. Step 5: Solve for x
    x = 7,295,110.91/3,056.33
  6. Step 6: Final answer
    x = 2,386.89

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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.