Home / 2,405.03-3,605.40-943.08

Finding the Fourth Proportional to 2,405.03, 3,605.40 and 943.08

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Solution

The fourth proportional to 2,405.03, 3,605.40 and 943.08 is: 1,413.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,405.03 : 3,605.40 = 943.08 : x
  2. Step 2: Convert to fraction form
    2,405.03/3,605.40 = 943.08/x
  3. Step 3: Cross multiply
    2,405.03x = 3,605.40 × 943.08
  4. Step 4: Simplify right side
    2,405.03x = 3,400,180.63
  5. Step 5: Solve for x
    x = 3,400,180.63/2,405.03
  6. Step 6: Final answer
    x = 1,413.78

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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.