Home / 3,703.47-5,555.36-1,238.37

Finding the Fourth Proportional to 3,703.47, 5,555.36 and 1,238.37

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Solution

The fourth proportional to 3,703.47, 5,555.36 and 1,238.37 is: 1,857.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.47 : 5,555.36 = 1,238.37 : x
  2. Step 2: Convert to fraction form
    3,703.47/5,555.36 = 1,238.37/x
  3. Step 3: Cross multiply
    3,703.47x = 5,555.36 × 1,238.37
  4. Step 4: Simplify right side
    3,703.47x = 6,879,591.16
  5. Step 5: Solve for x
    x = 6,879,591.16/3,703.47
  6. Step 6: Final answer
    x = 1,857.61

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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.