Home / 3,703.91-5,556.27-1,238.90

Finding the Fourth Proportional to 3,703.91, 5,556.27 and 1,238.90

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Solution

The fourth proportional to 3,703.91, 5,556.27 and 1,238.90 is: 1,858.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.91 : 5,556.27 = 1,238.90 : x
  2. Step 2: Convert to fraction form
    3,703.91/5,556.27 = 1,238.90/x
  3. Step 3: Cross multiply
    3,703.91x = 5,556.27 × 1,238.90
  4. Step 4: Simplify right side
    3,703.91x = 6,883,635.12
  5. Step 5: Solve for x
    x = 6,883,635.12/3,703.91
  6. Step 6: Final answer
    x = 1,858.48

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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.