Home / 2,972.06-4,099.91-2,413.16

Finding the Fourth Proportional to 2,972.06, 4,099.91 and 2,413.16

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Solution

The fourth proportional to 2,972.06, 4,099.91 and 2,413.16 is: 3,328.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,972.06 : 4,099.91 = 2,413.16 : x
  2. Step 2: Convert to fraction form
    2,972.06/4,099.91 = 2,413.16/x
  3. Step 3: Cross multiply
    2,972.06x = 4,099.91 × 2,413.16
  4. Step 4: Simplify right side
    2,972.06x = 9,893,706.25
  5. Step 5: Solve for x
    x = 9,893,706.25/2,972.06
  6. Step 6: Final answer
    x = 3,328.91

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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.