Home / 2,405.09-3,608.02-1,018.44

Finding the Fourth Proportional to 2,405.09, 3,608.02 and 1,018.44

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Solution

The fourth proportional to 2,405.09, 3,608.02 and 1,018.44 is: 1,527.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.09 : 3,608.02 = 1,018.44 : x
  2. Step 2: Convert to fraction form
    2,405.09/3,608.02 = 1,018.44/x
  3. Step 3: Cross multiply
    2,405.09x = 3,608.02 × 1,018.44
  4. Step 4: Simplify right side
    2,405.09x = 3,674,535.81
  5. Step 5: Solve for x
    x = 3,674,535.81/2,405.09
  6. Step 6: Final answer
    x = 1,527.81

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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.