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Finding the Fourth Proportional to 1,810.44, 2,700.44 and 1,644.34

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Solution

The fourth proportional to 1,810.44, 2,700.44 and 1,644.34 is: 2,452.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,810.44 : 2,700.44 = 1,644.34 : x
  2. Step 2: Convert to fraction form
    1,810.44/2,700.44 = 1,644.34/x
  3. Step 3: Cross multiply
    1,810.44x = 2,700.44 × 1,644.34
  4. Step 4: Simplify right side
    1,810.44x = 4,440,441.51
  5. Step 5: Solve for x
    x = 4,440,441.51/1,810.44
  6. Step 6: Final answer
    x = 2,452.69

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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.