Home / 1,465.25-2,198.27-847.82

Finding the Fourth Proportional to 1,465.25, 2,198.27 and 847.82

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Solution

The fourth proportional to 1,465.25, 2,198.27 and 847.82 is: 1,271.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465.25 : 2,198.27 = 847.82 : x
  2. Step 2: Convert to fraction form
    1,465.25/2,198.27 = 847.82/x
  3. Step 3: Cross multiply
    1,465.25x = 2,198.27 × 847.82
  4. Step 4: Simplify right side
    1,465.25x = 1,863,722.04
  5. Step 5: Solve for x
    x = 1,863,722.04/1,465.25
  6. Step 6: Final answer
    x = 1,271.95

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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.