Home / 2,403.09-3,317.76-1,842.49

Finding the Fourth Proportional to 2,403.09, 3,317.76 and 1,842.49

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Solution

The fourth proportional to 2,403.09, 3,317.76 and 1,842.49 is: 2,543.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,403.09 : 3,317.76 = 1,842.49 : x
  2. Step 2: Convert to fraction form
    2,403.09/3,317.76 = 1,842.49/x
  3. Step 3: Cross multiply
    2,403.09x = 3,317.76 × 1,842.49
  4. Step 4: Simplify right side
    2,403.09x = 6,112,939.62
  5. Step 5: Solve for x
    x = 6,112,939.62/2,403.09
  6. Step 6: Final answer
    x = 2,543.78

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1.5x scale

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.