Home / 2,911.30-4,017.70-1,584.94

Finding the Fourth Proportional to 2,911.30, 4,017.70 and 1,584.94

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Solution

The fourth proportional to 2,911.30, 4,017.70 and 1,584.94 is: 2,187.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,911.30 : 4,017.70 = 1,584.94 : x
  2. Step 2: Convert to fraction form
    2,911.30/4,017.70 = 1,584.94/x
  3. Step 3: Cross multiply
    2,911.30x = 4,017.70 × 1,584.94
  4. Step 4: Simplify right side
    2,911.30x = 6,367,813.44
  5. Step 5: Solve for x
    x = 6,367,813.44/2,911.30
  6. Step 6: Final answer
    x = 2,187.27

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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.