Home / 3,437.31-4,743.26-1,945.38

Finding the Fourth Proportional to 3,437.31, 4,743.26 and 1,945.38

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Solution

The fourth proportional to 3,437.31, 4,743.26 and 1,945.38 is: 2,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.31 : 4,743.26 = 1,945.38 : x
  2. Step 2: Convert to fraction form
    3,437.31/4,743.26 = 1,945.38/x
  3. Step 3: Cross multiply
    3,437.31x = 4,743.26 × 1,945.38
  4. Step 4: Simplify right side
    3,437.31x = 9,227,409.70
  5. Step 5: Solve for x
    x = 9,227,409.70/3,437.31
  6. Step 6: Final answer
    x = 2,684.49

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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.