Home / 2,643.26-3,647.65-1,464.31

Finding the Fourth Proportional to 2,643.26, 3,647.65 and 1,464.31

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Solution

The fourth proportional to 2,643.26, 3,647.65 and 1,464.31 is: 2,020.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.26 : 3,647.65 = 1,464.31 : x
  2. Step 2: Convert to fraction form
    2,643.26/3,647.65 = 1,464.31/x
  3. Step 3: Cross multiply
    2,643.26x = 3,647.65 × 1,464.31
  4. Step 4: Simplify right side
    2,643.26x = 5,341,290.37
  5. Step 5: Solve for x
    x = 5,341,290.37/2,643.26
  6. Step 6: Final answer
    x = 2,020.72

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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.