Home / 2,643.08-3,647.58-1,464.08

Finding the Fourth Proportional to 2,643.08, 3,647.58 and 1,464.08

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Solution

The fourth proportional to 2,643.08, 3,647.58 and 1,464.08 is: 2,020.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,643.08 : 3,647.58 = 1,464.08 : x
  2. Step 2: Convert to fraction form
    2,643.08/3,647.58 = 1,464.08/x
  3. Step 3: Cross multiply
    2,643.08x = 3,647.58 × 1,464.08
  4. Step 4: Simplify right side
    2,643.08x = 5,340,339.56
  5. Step 5: Solve for x
    x = 5,340,339.56/2,643.08
  6. Step 6: Final answer
    x = 2,020.49

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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.