Home / 2,784.03-3,841.85-1,664.31

Finding the Fourth Proportional to 2,784.03, 3,841.85 and 1,664.31

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Solution

The fourth proportional to 2,784.03, 3,841.85 and 1,664.31 is: 2,296.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,784.03 : 3,841.85 = 1,664.31 : x
  2. Step 2: Convert to fraction form
    2,784.03/3,841.85 = 1,664.31/x
  3. Step 3: Cross multiply
    2,784.03x = 3,841.85 × 1,664.31
  4. Step 4: Simplify right side
    2,784.03x = 6,394,012.89
  5. Step 5: Solve for x
    x = 6,394,012.89/2,784.03
  6. Step 6: Final answer
    x = 2,296.68

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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.