Home / 2,409.91-3,607.01-1,297.74

Finding the Fourth Proportional to 2,409.91, 3,607.01 and 1,297.74

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Solution

The fourth proportional to 2,409.91, 3,607.01 and 1,297.74 is: 1,942.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.91 : 3,607.01 = 1,297.74 : x
  2. Step 2: Convert to fraction form
    2,409.91/3,607.01 = 1,297.74/x
  3. Step 3: Cross multiply
    2,409.91x = 3,607.01 × 1,297.74
  4. Step 4: Simplify right side
    2,409.91x = 4,680,936.63
  5. Step 5: Solve for x
    x = 4,680,936.63/2,409.91
  6. Step 6: Final answer
    x = 1,942.37

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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.