Home / 3,007.20-4,511.71-1,427.13

Finding the Fourth Proportional to 3,007.20, 4,511.71 and 1,427.13

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Solution

The fourth proportional to 3,007.20, 4,511.71 and 1,427.13 is: 2,141.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,007.20 : 4,511.71 = 1,427.13 : x
  2. Step 2: Convert to fraction form
    3,007.20/4,511.71 = 1,427.13/x
  3. Step 3: Cross multiply
    3,007.20x = 4,511.71 × 1,427.13
  4. Step 4: Simplify right side
    3,007.20x = 6,438,796.69
  5. Step 5: Solve for x
    x = 6,438,796.69/3,007.20
  6. Step 6: Final answer
    x = 2,141.13

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1.5x scale

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.