Home / 1,464.70-2,178.21-1,418.56

Finding the Fourth Proportional to 1,464.70, 2,178.21 and 1,418.56

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Solution

The fourth proportional to 1,464.70, 2,178.21 and 1,418.56 is: 2,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.70 : 2,178.21 = 1,418.56 : x
  2. Step 2: Convert to fraction form
    1,464.70/2,178.21 = 1,418.56/x
  3. Step 3: Cross multiply
    1,464.70x = 2,178.21 × 1,418.56
  4. Step 4: Simplify right side
    1,464.70x = 3,089,921.58
  5. Step 5: Solve for x
    x = 3,089,921.58/1,464.70
  6. Step 6: Final answer
    x = 2,109.59

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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.