Home / 3,227.65-4,841.98-1,378.77

Finding the Fourth Proportional to 3,227.65, 4,841.98 and 1,378.77

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Solution

The fourth proportional to 3,227.65, 4,841.98 and 1,378.77 is: 2,068.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.65 : 4,841.98 = 1,378.77 : x
  2. Step 2: Convert to fraction form
    3,227.65/4,841.98 = 1,378.77/x
  3. Step 3: Cross multiply
    3,227.65x = 4,841.98 × 1,378.77
  4. Step 4: Simplify right side
    3,227.65x = 6,675,976.76
  5. Step 5: Solve for x
    x = 6,675,976.76/3,227.65
  6. Step 6: Final answer
    x = 2,068.37

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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.