Home / 2,409.08-3,617.73-1,490.06

Finding the Fourth Proportional to 2,409.08, 3,617.73 and 1,490.06

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Solution

The fourth proportional to 2,409.08, 3,617.73 and 1,490.06 is: 2,237.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,409.08 : 3,617.73 = 1,490.06 : x
  2. Step 2: Convert to fraction form
    2,409.08/3,617.73 = 1,490.06/x
  3. Step 3: Cross multiply
    2,409.08x = 3,617.73 × 1,490.06
  4. Step 4: Simplify right side
    2,409.08x = 5,390,634.76
  5. Step 5: Solve for x
    x = 5,390,634.76/2,409.08
  6. Step 6: Final answer
    x = 2,237.63

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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.