Home / 2,405.56-3,606.96-943.92

Finding the Fourth Proportional to 2,405.56, 3,606.96 and 943.92

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Solution

The fourth proportional to 2,405.56, 3,606.96 and 943.92 is: 1,415.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.56 : 3,606.96 = 943.92 : x
  2. Step 2: Convert to fraction form
    2,405.56/3,606.96 = 943.92/x
  3. Step 3: Cross multiply
    2,405.56x = 3,606.96 × 943.92
  4. Step 4: Simplify right side
    2,405.56x = 3,404,681.68
  5. Step 5: Solve for x
    x = 3,404,681.68/2,405.56
  6. Step 6: Final answer
    x = 1,415.34

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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.