Home / 2,751.36-3,803.93-2,087.16

Finding the Fourth Proportional to 2,751.36, 3,803.93 and 2,087.16

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Solution

The fourth proportional to 2,751.36, 3,803.93 and 2,087.16 is: 2,885.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,751.36 : 3,803.93 = 2,087.16 : x
  2. Step 2: Convert to fraction form
    2,751.36/3,803.93 = 2,087.16/x
  3. Step 3: Cross multiply
    2,751.36x = 3,803.93 × 2,087.16
  4. Step 4: Simplify right side
    2,751.36x = 7,939,410.54
  5. Step 5: Solve for x
    x = 7,939,410.54/2,751.36
  6. Step 6: Final answer
    x = 2,885.63

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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.