Home / 3,036.05-4,190.43-1,857.90

Finding the Fourth Proportional to 3,036.05, 4,190.43 and 1,857.90

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Solution

The fourth proportional to 3,036.05, 4,190.43 and 1,857.90 is: 2,564.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,036.05 : 4,190.43 = 1,857.90 : x
  2. Step 2: Convert to fraction form
    3,036.05/4,190.43 = 1,857.90/x
  3. Step 3: Cross multiply
    3,036.05x = 4,190.43 × 1,857.90
  4. Step 4: Simplify right side
    3,036.05x = 7,785,399.90
  5. Step 5: Solve for x
    x = 7,785,399.90/3,036.05
  6. Step 6: Final answer
    x = 2,564.32

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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.