Home / 3,605.18-5,409.93-1,296.86

Finding the Fourth Proportional to 3,605.18, 5,409.93 and 1,296.86

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Solution

The fourth proportional to 3,605.18, 5,409.93 and 1,296.86 is: 1,946.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,605.18 : 5,409.93 = 1,296.86 : x
  2. Step 2: Convert to fraction form
    3,605.18/5,409.93 = 1,296.86/x
  3. Step 3: Cross multiply
    3,605.18x = 5,409.93 × 1,296.86
  4. Step 4: Simplify right side
    3,605.18x = 7,015,921.82
  5. Step 5: Solve for x
    x = 7,015,921.82/3,605.18
  6. Step 6: Final answer
    x = 1,946.07

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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.