Home / 3,406.78-4,701.41-2,009.53

Finding the Fourth Proportional to 3,406.78, 4,701.41 and 2,009.53

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Solution

The fourth proportional to 3,406.78, 4,701.41 and 2,009.53 is: 2,773.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,406.78 : 4,701.41 = 2,009.53 : x
  2. Step 2: Convert to fraction form
    3,406.78/4,701.41 = 2,009.53/x
  3. Step 3: Cross multiply
    3,406.78x = 4,701.41 × 2,009.53
  4. Step 4: Simplify right side
    3,406.78x = 9,447,624.44
  5. Step 5: Solve for x
    x = 9,447,624.44/3,406.78
  6. Step 6: Final answer
    x = 2,773.18

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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.