Home / 2,741.53-3,782.73-1,621.93

Finding the Fourth Proportional to 2,741.53, 3,782.73 and 1,621.93

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Solution

The fourth proportional to 2,741.53, 3,782.73 and 1,621.93 is: 2,237.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,741.53 : 3,782.73 = 1,621.93 : x
  2. Step 2: Convert to fraction form
    2,741.53/3,782.73 = 1,621.93/x
  3. Step 3: Cross multiply
    2,741.53x = 3,782.73 × 1,621.93
  4. Step 4: Simplify right side
    2,741.53x = 6,135,323.27
  5. Step 5: Solve for x
    x = 6,135,323.27/2,741.53
  6. Step 6: Final answer
    x = 2,237.92

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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.