Home / 2,459.81-3,394.44-1,340.72

Finding the Fourth Proportional to 2,459.81, 3,394.44 and 1,340.72

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Solution

The fourth proportional to 2,459.81, 3,394.44 and 1,340.72 is: 1,850.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,459.81 : 3,394.44 = 1,340.72 : x
  2. Step 2: Convert to fraction form
    2,459.81/3,394.44 = 1,340.72/x
  3. Step 3: Cross multiply
    2,459.81x = 3,394.44 × 1,340.72
  4. Step 4: Simplify right side
    2,459.81x = 4,550,993.60
  5. Step 5: Solve for x
    x = 4,550,993.60/2,459.81
  6. Step 6: Final answer
    x = 1,850.14

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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.