Home / 2,120.31-2,927.04-1,413.33

Finding the Fourth Proportional to 2,120.31, 2,927.04 and 1,413.33

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Solution

The fourth proportional to 2,120.31, 2,927.04 and 1,413.33 is: 1,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,120.31 : 2,927.04 = 1,413.33 : x
  2. Step 2: Convert to fraction form
    2,120.31/2,927.04 = 1,413.33/x
  3. Step 3: Cross multiply
    2,120.31x = 2,927.04 × 1,413.33
  4. Step 4: Simplify right side
    2,120.31x = 4,136,873.44
  5. Step 5: Solve for x
    x = 4,136,873.44/2,120.31
  6. Step 6: Final answer
    x = 1,951.07

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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.