Home / 3,705.52-5,556.94-1,239.76

Finding the Fourth Proportional to 3,705.52, 5,556.94 and 1,239.76

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Solution

The fourth proportional to 3,705.52, 5,556.94 and 1,239.76 is: 1,859.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,705.52 : 5,556.94 = 1,239.76 : x
  2. Step 2: Convert to fraction form
    3,705.52/5,556.94 = 1,239.76/x
  3. Step 3: Cross multiply
    3,705.52x = 5,556.94 × 1,239.76
  4. Step 4: Simplify right side
    3,705.52x = 6,889,259.49
  5. Step 5: Solve for x
    x = 6,889,259.49/3,705.52
  6. Step 6: Final answer
    x = 1,859.19

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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.