Home / 2,210.75-3,048.33-1,413.02

Finding the Fourth Proportional to 2,210.75, 3,048.33 and 1,413.02

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Solution

The fourth proportional to 2,210.75, 3,048.33 and 1,413.02 is: 1,948.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,210.75 : 3,048.33 = 1,413.02 : x
  2. Step 2: Convert to fraction form
    2,210.75/3,048.33 = 1,413.02/x
  3. Step 3: Cross multiply
    2,210.75x = 3,048.33 × 1,413.02
  4. Step 4: Simplify right side
    2,210.75x = 4,307,351.26
  5. Step 5: Solve for x
    x = 4,307,351.26/2,210.75
  6. Step 6: Final answer
    x = 1,948.37

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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.