Home / 4,250.45-5,858.81-2,887.30

Finding the Fourth Proportional to 4,250.45, 5,858.81 and 2,887.30

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Solution

The fourth proportional to 4,250.45, 5,858.81 and 2,887.30 is: 3,979.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,250.45 : 5,858.81 = 2,887.30 : x
  2. Step 2: Convert to fraction form
    4,250.45/5,858.81 = 2,887.30/x
  3. Step 3: Cross multiply
    4,250.45x = 5,858.81 × 2,887.30
  4. Step 4: Simplify right side
    4,250.45x = 16,916,113.03
  5. Step 5: Solve for x
    x = 16,916,113.03/4,250.45
  6. Step 6: Final answer
    x = 3,979.84

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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.