Home / 3,803.13-5,705.70-1,206.07

Finding the Fourth Proportional to 3,803.13, 5,705.70 and 1,206.07

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Solution

The fourth proportional to 3,803.13, 5,705.70 and 1,206.07 is: 1,809.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,803.13 : 5,705.70 = 1,206.07 : x
  2. Step 2: Convert to fraction form
    3,803.13/5,705.70 = 1,206.07/x
  3. Step 3: Cross multiply
    3,803.13x = 5,705.70 × 1,206.07
  4. Step 4: Simplify right side
    3,803.13x = 6,881,473.60
  5. Step 5: Solve for x
    x = 6,881,473.60/3,803.13
  6. Step 6: Final answer
    x = 1,809.42

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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.