Home / 3,720.36-5,132.69-2,376.03

Finding the Fourth Proportional to 3,720.36, 5,132.69 and 2,376.03

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Solution

The fourth proportional to 3,720.36, 5,132.69 and 2,376.03 is: 3,278.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,720.36 : 5,132.69 = 2,376.03 : x
  2. Step 2: Convert to fraction form
    3,720.36/5,132.69 = 2,376.03/x
  3. Step 3: Cross multiply
    3,720.36x = 5,132.69 × 2,376.03
  4. Step 4: Simplify right side
    3,720.36x = 12,195,413.54
  5. Step 5: Solve for x
    x = 12,195,413.54/3,720.36
  6. Step 6: Final answer
    x = 3,278.02

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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.