Home / 3,750.65-5,622-1,409.14

Finding the Fourth Proportional to 3,750.65, 5,622 and 1,409.14

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Solution

The fourth proportional to 3,750.65, 5,622 and 1,409.14 is: 2,112.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,750.65 : 5,622 = 1,409.14 : x
  2. Step 2: Convert to fraction form
    3,750.65/5,622 = 1,409.14/x
  3. Step 3: Cross multiply
    3,750.65x = 5,622 × 1,409.14
  4. Step 4: Simplify right side
    3,750.65x = 7,922,185.08
  5. Step 5: Solve for x
    x = 7,922,185.08/3,750.65
  6. Step 6: Final answer
    x = 2,112.22

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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.