Home / 2,887.83-4,004.97-2,707.40

Finding the Fourth Proportional to 2,887.83, 4,004.97 and 2,707.40

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Solution

The fourth proportional to 2,887.83, 4,004.97 and 2,707.40 is: 3,754.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,887.83 : 4,004.97 = 2,707.40 : x
  2. Step 2: Convert to fraction form
    2,887.83/4,004.97 = 2,707.40/x
  3. Step 3: Cross multiply
    2,887.83x = 4,004.97 × 2,707.40
  4. Step 4: Simplify right side
    2,887.83x = 10,843,055.64
  5. Step 5: Solve for x
    x = 10,843,055.64/2,887.83
  6. Step 6: Final answer
    x = 3,754.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.