Home / 3,846.24-5,307.36-2,190.24

Finding the Fourth Proportional to 3,846.24, 5,307.36 and 2,190.24

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Solution

The fourth proportional to 3,846.24, 5,307.36 and 2,190.24 is: 3,022.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,846.24 : 5,307.36 = 2,190.24 : x
  2. Step 2: Convert to fraction form
    3,846.24/5,307.36 = 2,190.24/x
  3. Step 3: Cross multiply
    3,846.24x = 5,307.36 × 2,190.24
  4. Step 4: Simplify right side
    3,846.24x = 11,624,392.17
  5. Step 5: Solve for x
    x = 11,624,392.17/3,846.24
  6. Step 6: Final answer
    x = 3,022.27

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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.