Home / 3,671.36-5,066.24-2,099.20

Finding the Fourth Proportional to 3,671.36, 5,066.24 and 2,099.20

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Solution

The fourth proportional to 3,671.36, 5,066.24 and 2,099.20 is: 2,896.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,671.36 : 5,066.24 = 2,099.20 : x
  2. Step 2: Convert to fraction form
    3,671.36/5,066.24 = 2,099.20/x
  3. Step 3: Cross multiply
    3,671.36x = 5,066.24 × 2,099.20
  4. Step 4: Simplify right side
    3,671.36x = 10,635,051.01
  5. Step 5: Solve for x
    x = 10,635,051.01/3,671.36
  6. Step 6: Final answer
    x = 2,896.76

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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.