Home / 1,683.93-2,528.19-1,162.65

Finding the Fourth Proportional to 1,683.93, 2,528.19 and 1,162.65

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Solution

The fourth proportional to 1,683.93, 2,528.19 and 1,162.65 is: 1,745.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.93 : 2,528.19 = 1,162.65 : x
  2. Step 2: Convert to fraction form
    1,683.93/2,528.19 = 1,162.65/x
  3. Step 3: Cross multiply
    1,683.93x = 2,528.19 × 1,162.65
  4. Step 4: Simplify right side
    1,683.93x = 2,939,400.10
  5. Step 5: Solve for x
    x = 2,939,400.10/1,683.93
  6. Step 6: Final answer
    x = 1,745.56

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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.