Home / 1,872.37-2,579.20-1,453.20

Finding the Fourth Proportional to 1,872.37, 2,579.20 and 1,453.20

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Solution

The fourth proportional to 1,872.37, 2,579.20 and 1,453.20 is: 2,001.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,872.37 : 2,579.20 = 1,453.20 : x
  2. Step 2: Convert to fraction form
    1,872.37/2,579.20 = 1,453.20/x
  3. Step 3: Cross multiply
    1,872.37x = 2,579.20 × 1,453.20
  4. Step 4: Simplify right side
    1,872.37x = 3,748,093.44
  5. Step 5: Solve for x
    x = 3,748,093.44/1,872.37
  6. Step 6: Final answer
    x = 2,001.79

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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.