Home / 2,201-3,035.46-1,315.28

Finding the Fourth Proportional to 2,201, 3,035.46 and 1,315.28

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Solution

The fourth proportional to 2,201, 3,035.46 and 1,315.28 is: 1,813.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,201 : 3,035.46 = 1,315.28 : x
  2. Step 2: Convert to fraction form
    2,201/3,035.46 = 1,315.28/x
  3. Step 3: Cross multiply
    2,201x = 3,035.46 × 1,315.28
  4. Step 4: Simplify right side
    2,201x = 3,992,479.83
  5. Step 5: Solve for x
    x = 3,992,479.83/2,201
  6. Step 6: Final answer
    x = 1,813.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.