Home / 3,141.09-4,711.52-1,267.79

Finding the Fourth Proportional to 3,141.09, 4,711.52 and 1,267.79

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Solution

The fourth proportional to 3,141.09, 4,711.52 and 1,267.79 is: 1,901.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,141.09 : 4,711.52 = 1,267.79 : x
  2. Step 2: Convert to fraction form
    3,141.09/4,711.52 = 1,267.79/x
  3. Step 3: Cross multiply
    3,141.09x = 4,711.52 × 1,267.79
  4. Step 4: Simplify right side
    3,141.09x = 5,973,217.94
  5. Step 5: Solve for x
    x = 5,973,217.94/3,141.09
  6. Step 6: Final answer
    x = 1,901.64

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1.5x scale

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.