Home / 3,803.21-5,705.02-1,206.35

Finding the Fourth Proportional to 3,803.21, 5,705.02 and 1,206.35

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Solution

The fourth proportional to 3,803.21, 5,705.02 and 1,206.35 is: 1,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.21 : 5,705.02 = 1,206.35 : x
  2. Step 2: Convert to fraction form
    3,803.21/5,705.02 = 1,206.35/x
  3. Step 3: Cross multiply
    3,803.21x = 5,705.02 × 1,206.35
  4. Step 4: Simplify right side
    3,803.21x = 6,882,250.88
  5. Step 5: Solve for x
    x = 6,882,250.88/3,803.21
  6. Step 6: Final answer
    x = 1,809.59

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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.