Home / 3,303.78-4,954.23-1,111.92

Finding the Fourth Proportional to 3,303.78, 4,954.23 and 1,111.92

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Solution

The fourth proportional to 3,303.78, 4,954.23 and 1,111.92 is: 1,667.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,303.78 : 4,954.23 = 1,111.92 : x
  2. Step 2: Convert to fraction form
    3,303.78/4,954.23 = 1,111.92/x
  3. Step 3: Cross multiply
    3,303.78x = 4,954.23 × 1,111.92
  4. Step 4: Simplify right side
    3,303.78x = 5,508,707.42
  5. Step 5: Solve for x
    x = 5,508,707.42/3,303.78
  6. Step 6: Final answer
    x = 1,667.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.