Home / 2,403.73-3,317.96-1,409.30

Finding the Fourth Proportional to 2,403.73, 3,317.96 and 1,409.30

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Solution

The fourth proportional to 2,403.73, 3,317.96 and 1,409.30 is: 1,945.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.73 : 3,317.96 = 1,409.30 : x
  2. Step 2: Convert to fraction form
    2,403.73/3,317.96 = 1,409.30/x
  3. Step 3: Cross multiply
    2,403.73x = 3,317.96 × 1,409.30
  4. Step 4: Simplify right side
    2,403.73x = 4,676,000.40
  5. Step 5: Solve for x
    x = 4,676,000.40/2,403.73
  6. Step 6: Final answer
    x = 1,945.31

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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.