Home / 3,182.65-4,769.87-1,426.37

Finding the Fourth Proportional to 3,182.65, 4,769.87 and 1,426.37

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Solution

The fourth proportional to 3,182.65, 4,769.87 and 1,426.37 is: 2,137.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,182.65 : 4,769.87 = 1,426.37 : x
  2. Step 2: Convert to fraction form
    3,182.65/4,769.87 = 1,426.37/x
  3. Step 3: Cross multiply
    3,182.65x = 4,769.87 × 1,426.37
  4. Step 4: Simplify right side
    3,182.65x = 6,803,599.47
  5. Step 5: Solve for x
    x = 6,803,599.47/3,182.65
  6. Step 6: Final answer
    x = 2,137.72

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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.