Home / 3,703.46-5,555.49-1,238.30

Finding the Fourth Proportional to 3,703.46, 5,555.49 and 1,238.30

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Solution

The fourth proportional to 3,703.46, 5,555.49 and 1,238.30 is: 1,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.46 : 5,555.49 = 1,238.30 : x
  2. Step 2: Convert to fraction form
    3,703.46/5,555.49 = 1,238.30/x
  3. Step 3: Cross multiply
    3,703.46x = 5,555.49 × 1,238.30
  4. Step 4: Simplify right side
    3,703.46x = 6,879,329.30
  5. Step 5: Solve for x
    x = 6,879,329.30/3,703.46
  6. Step 6: Final answer
    x = 1,857.54

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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.