Home / 3,427.31-4,729.67-1,935.22

Finding the Fourth Proportional to 3,427.31, 4,729.67 and 1,935.22

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Solution

The fourth proportional to 3,427.31, 4,729.67 and 1,935.22 is: 2,670.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,427.31 : 4,729.67 = 1,935.22 : x
  2. Step 2: Convert to fraction form
    3,427.31/4,729.67 = 1,935.22/x
  3. Step 3: Cross multiply
    3,427.31x = 4,729.67 × 1,935.22
  4. Step 4: Simplify right side
    3,427.31x = 9,152,918.65
  5. Step 5: Solve for x
    x = 9,152,918.65/3,427.31
  6. Step 6: Final answer
    x = 2,670.58

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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.