Home / 1,464.96-2,020.80-1,072.56

Finding the Fourth Proportional to 1,464.96, 2,020.80 and 1,072.56

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Solution

The fourth proportional to 1,464.96, 2,020.80 and 1,072.56 is: 1,479.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,464.96 : 2,020.80 = 1,072.56 : x
  2. Step 2: Convert to fraction form
    1,464.96/2,020.80 = 1,072.56/x
  3. Step 3: Cross multiply
    1,464.96x = 2,020.80 × 1,072.56
  4. Step 4: Simplify right side
    1,464.96x = 2,167,429.25
  5. Step 5: Solve for x
    x = 2,167,429.25/1,464.96
  6. Step 6: Final answer
    x = 1,479.51

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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.