Home / 3,627.47-5,015.96-2,880.11

Finding the Fourth Proportional to 3,627.47, 5,015.96 and 2,880.11

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Solution

The fourth proportional to 3,627.47, 5,015.96 and 2,880.11 is: 3,982.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,627.47 : 5,015.96 = 2,880.11 : x
  2. Step 2: Convert to fraction form
    3,627.47/5,015.96 = 2,880.11/x
  3. Step 3: Cross multiply
    3,627.47x = 5,015.96 × 2,880.11
  4. Step 4: Simplify right side
    3,627.47x = 14,446,525.50
  5. Step 5: Solve for x
    x = 14,446,525.50/3,627.47
  6. Step 6: Final answer
    x = 3,982.53

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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.