Home / 3,703.59-5,555.45-1,238.42

Finding the Fourth Proportional to 3,703.59, 5,555.45 and 1,238.42

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Solution

The fourth proportional to 3,703.59, 5,555.45 and 1,238.42 is: 1,857.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,703.59 : 5,555.45 = 1,238.42 : x
  2. Step 2: Convert to fraction form
    3,703.59/5,555.45 = 1,238.42/x
  3. Step 3: Cross multiply
    3,703.59x = 5,555.45 × 1,238.42
  4. Step 4: Simplify right side
    3,703.59x = 6,879,997.37
  5. Step 5: Solve for x
    x = 6,879,997.37/3,703.59
  6. Step 6: Final answer
    x = 1,857.66

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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.