Home / 2,555.54-3,817.77-1,623.63

Finding the Fourth Proportional to 2,555.54, 3,817.77 and 1,623.63

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Solution

The fourth proportional to 2,555.54, 3,817.77 and 1,623.63 is: 2,425.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,555.54 : 3,817.77 = 1,623.63 : x
  2. Step 2: Convert to fraction form
    2,555.54/3,817.77 = 1,623.63/x
  3. Step 3: Cross multiply
    2,555.54x = 3,817.77 × 1,623.63
  4. Step 4: Simplify right side
    2,555.54x = 6,198,645.91
  5. Step 5: Solve for x
    x = 6,198,645.91/2,555.54
  6. Step 6: Final answer
    x = 2,425.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.