Home / 2,643.08-3,647.43-1,464.13

Finding the Fourth Proportional to 2,643.08, 3,647.43 and 1,464.13

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Solution

The fourth proportional to 2,643.08, 3,647.43 and 1,464.13 is: 2,020.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.08 : 3,647.43 = 1,464.13 : x
  2. Step 2: Convert to fraction form
    2,643.08/3,647.43 = 1,464.13/x
  3. Step 3: Cross multiply
    2,643.08x = 3,647.43 × 1,464.13
  4. Step 4: Simplify right side
    2,643.08x = 5,340,295.73
  5. Step 5: Solve for x
    x = 5,340,295.73/2,643.08
  6. Step 6: Final answer
    x = 2,020.48

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1.5x scale

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.