Home / 2,513.81-3,469.07-1,394.75

Finding the Fourth Proportional to 2,513.81, 3,469.07 and 1,394.75

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Solution

The fourth proportional to 2,513.81, 3,469.07 and 1,394.75 is: 1,924.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,513.81 : 3,469.07 = 1,394.75 : x
  2. Step 2: Convert to fraction form
    2,513.81/3,469.07 = 1,394.75/x
  3. Step 3: Cross multiply
    2,513.81x = 3,469.07 × 1,394.75
  4. Step 4: Simplify right side
    2,513.81x = 4,838,497.54
  5. Step 5: Solve for x
    x = 4,838,497.54/2,513.81
  6. Step 6: Final answer
    x = 1,924.76

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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.