Home / 2,083.45-3,117.35-1,247.44

Finding the Fourth Proportional to 2,083.45, 3,117.35 and 1,247.44

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Solution

The fourth proportional to 2,083.45, 3,117.35 and 1,247.44 is: 1,866.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,083.45 : 3,117.35 = 1,247.44 : x
  2. Step 2: Convert to fraction form
    2,083.45/3,117.35 = 1,247.44/x
  3. Step 3: Cross multiply
    2,083.45x = 3,117.35 × 1,247.44
  4. Step 4: Simplify right side
    2,083.45x = 3,888,707.08
  5. Step 5: Solve for x
    x = 3,888,707.08/2,083.45
  6. Step 6: Final answer
    x = 1,866.47

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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.