Home / 2,394.36-3,302.78-1,449.50

Finding the Fourth Proportional to 2,394.36, 3,302.78 and 1,449.50

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Solution

The fourth proportional to 2,394.36, 3,302.78 and 1,449.50 is: 1,999.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,394.36 : 3,302.78 = 1,449.50 : x
  2. Step 2: Convert to fraction form
    2,394.36/3,302.78 = 1,449.50/x
  3. Step 3: Cross multiply
    2,394.36x = 3,302.78 × 1,449.50
  4. Step 4: Simplify right side
    2,394.36x = 4,787,355.85
  5. Step 5: Solve for x
    x = 4,787,355.85/2,394.36
  6. Step 6: Final answer
    x = 1,999.43

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1.5x scale

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.