Home / 1,683.35-2,323.40-1,092.86

Finding the Fourth Proportional to 1,683.35, 2,323.40 and 1,092.86

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Solution

The fourth proportional to 1,683.35, 2,323.40 and 1,092.86 is: 1,508.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,683.35 : 2,323.40 = 1,092.86 : x
  2. Step 2: Convert to fraction form
    1,683.35/2,323.40 = 1,092.86/x
  3. Step 3: Cross multiply
    1,683.35x = 2,323.40 × 1,092.86
  4. Step 4: Simplify right side
    1,683.35x = 2,539,147.85
  5. Step 5: Solve for x
    x = 2,539,147.85/1,683.35
  6. Step 6: Final answer
    x = 1,508.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.