Home / 2,823.59-3,897.09-1,644.84

Finding the Fourth Proportional to 2,823.59, 3,897.09 and 1,644.84

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Solution

The fourth proportional to 2,823.59, 3,897.09 and 1,644.84 is: 2,270.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,823.59 : 3,897.09 = 1,644.84 : x
  2. Step 2: Convert to fraction form
    2,823.59/3,897.09 = 1,644.84/x
  3. Step 3: Cross multiply
    2,823.59x = 3,897.09 × 1,644.84
  4. Step 4: Simplify right side
    2,823.59x = 6,410,089.52
  5. Step 5: Solve for x
    x = 6,410,089.52/2,823.59
  6. Step 6: Final answer
    x = 2,270.19

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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.