Home / 2,644.35-3,647.84-1,804.88

Finding the Fourth Proportional to 2,644.35, 3,647.84 and 1,804.88

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Solution

The fourth proportional to 2,644.35, 3,647.84 and 1,804.88 is: 2,489.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,644.35 : 3,647.84 = 1,804.88 : x
  2. Step 2: Convert to fraction form
    2,644.35/3,647.84 = 1,804.88/x
  3. Step 3: Cross multiply
    2,644.35x = 3,647.84 × 1,804.88
  4. Step 4: Simplify right side
    2,644.35x = 6,583,913.55
  5. Step 5: Solve for x
    x = 6,583,913.55/2,644.35
  6. Step 6: Final answer
    x = 2,489.81

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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.