Home / 3,277.11-4,909.74-3,143.79

Finding the Fourth Proportional to 3,277.11, 4,909.74 and 3,143.79

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Solution

The fourth proportional to 3,277.11, 4,909.74 and 3,143.79 is: 4,710.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,277.11 : 4,909.74 = 3,143.79 : x
  2. Step 2: Convert to fraction form
    3,277.11/4,909.74 = 3,143.79/x
  3. Step 3: Cross multiply
    3,277.11x = 4,909.74 × 3,143.79
  4. Step 4: Simplify right side
    3,277.11x = 15,435,191.51
  5. Step 5: Solve for x
    x = 15,435,191.51/3,277.11
  6. Step 6: Final answer
    x = 4,710.00

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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.