Home / 3,138.24-4,330.91-1,741.26

Finding the Fourth Proportional to 3,138.24, 4,330.91 and 1,741.26

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Solution

The fourth proportional to 3,138.24, 4,330.91 and 1,741.26 is: 2,403.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,138.24 : 4,330.91 = 1,741.26 : x
  2. Step 2: Convert to fraction form
    3,138.24/4,330.91 = 1,741.26/x
  3. Step 3: Cross multiply
    3,138.24x = 4,330.91 × 1,741.26
  4. Step 4: Simplify right side
    3,138.24x = 7,541,231.64
  5. Step 5: Solve for x
    x = 7,541,231.64/3,138.24
  6. Step 6: Final answer
    x = 2,403.01

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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.