Home / 2,404.21-3,318.12-1,409.87

Finding the Fourth Proportional to 2,404.21, 3,318.12 and 1,409.87

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Solution

The fourth proportional to 2,404.21, 3,318.12 and 1,409.87 is: 1,945.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,404.21 : 3,318.12 = 1,409.87 : x
  2. Step 2: Convert to fraction form
    2,404.21/3,318.12 = 1,409.87/x
  3. Step 3: Cross multiply
    2,404.21x = 3,318.12 × 1,409.87
  4. Step 4: Simplify right side
    2,404.21x = 4,678,117.84
  5. Step 5: Solve for x
    x = 4,678,117.84/2,404.21
  6. Step 6: Final answer
    x = 1,945.81

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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.