Home / 3,072.26-4,606.35-1,427.90

Finding the Fourth Proportional to 3,072.26, 4,606.35 and 1,427.90

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Solution

The fourth proportional to 3,072.26, 4,606.35 and 1,427.90 is: 2,140.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,072.26 : 4,606.35 = 1,427.90 : x
  2. Step 2: Convert to fraction form
    3,072.26/4,606.35 = 1,427.90/x
  3. Step 3: Cross multiply
    3,072.26x = 4,606.35 × 1,427.90
  4. Step 4: Simplify right side
    3,072.26x = 6,577,407.17
  5. Step 5: Solve for x
    x = 6,577,407.17/3,072.26
  6. Step 6: Final answer
    x = 2,140.90

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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.