Home / 2,741.21-4,109.99-1,509.20

Finding the Fourth Proportional to 2,741.21, 4,109.99 and 1,509.20

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Solution

The fourth proportional to 2,741.21, 4,109.99 and 1,509.20 is: 2,262.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.21 : 4,109.99 = 1,509.20 : x
  2. Step 2: Convert to fraction form
    2,741.21/4,109.99 = 1,509.20/x
  3. Step 3: Cross multiply
    2,741.21x = 4,109.99 × 1,509.20
  4. Step 4: Simplify right side
    2,741.21x = 6,202,768.81
  5. Step 5: Solve for x
    x = 6,202,768.81/2,741.21
  6. Step 6: Final answer
    x = 2,262.79

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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.