Home / 2,739.56-4,109.08-1,643.12

Finding the Fourth Proportional to 2,739.56, 4,109.08 and 1,643.12

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Solution

The fourth proportional to 2,739.56, 4,109.08 and 1,643.12 is: 2,464.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,739.56 : 4,109.08 = 1,643.12 : x
  2. Step 2: Convert to fraction form
    2,739.56/4,109.08 = 1,643.12/x
  3. Step 3: Cross multiply
    2,739.56x = 4,109.08 × 1,643.12
  4. Step 4: Simplify right side
    2,739.56x = 6,751,711.53
  5. Step 5: Solve for x
    x = 6,751,711.53/2,739.56
  6. Step 6: Final answer
    x = 2,464.52

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.