Home / 3,220.32-4,830.72-1,371.36

Finding the Fourth Proportional to 3,220.32, 4,830.72 and 1,371.36

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Solution

The fourth proportional to 3,220.32, 4,830.72 and 1,371.36 is: 2,057.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,220.32 : 4,830.72 = 1,371.36 : x
  2. Step 2: Convert to fraction form
    3,220.32/4,830.72 = 1,371.36/x
  3. Step 3: Cross multiply
    3,220.32x = 4,830.72 × 1,371.36
  4. Step 4: Simplify right side
    3,220.32x = 6,624,656.18
  5. Step 5: Solve for x
    x = 6,624,656.18/3,220.32
  6. Step 6: Final answer
    x = 2,057.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.