Home / 2,856.14-3,938.91-1,794.01

Finding the Fourth Proportional to 2,856.14, 3,938.91 and 1,794.01

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Solution

The fourth proportional to 2,856.14, 3,938.91 and 1,794.01 is: 2,474.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,856.14 : 3,938.91 = 1,794.01 : x
  2. Step 2: Convert to fraction form
    2,856.14/3,938.91 = 1,794.01/x
  3. Step 3: Cross multiply
    2,856.14x = 3,938.91 × 1,794.01
  4. Step 4: Simplify right side
    2,856.14x = 7,066,440.81
  5. Step 5: Solve for x
    x = 7,066,440.81/2,856.14
  6. Step 6: Final answer
    x = 2,474.12

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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.