Home / 2,403.71-3,317.43-1,409.37

Finding the Fourth Proportional to 2,403.71, 3,317.43 and 1,409.37

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Solution

The fourth proportional to 2,403.71, 3,317.43 and 1,409.37 is: 1,945.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.71 : 3,317.43 = 1,409.37 : x
  2. Step 2: Convert to fraction form
    2,403.71/3,317.43 = 1,409.37/x
  3. Step 3: Cross multiply
    2,403.71x = 3,317.43 × 1,409.37
  4. Step 4: Simplify right side
    2,403.71x = 4,675,486.32
  5. Step 5: Solve for x
    x = 4,675,486.32/2,403.71
  6. Step 6: Final answer
    x = 1,945.12

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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.