Home / 1,509.73-2,081.85-1,194.49

Finding the Fourth Proportional to 1,509.73, 2,081.85 and 1,194.49

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Solution

The fourth proportional to 1,509.73, 2,081.85 and 1,194.49 is: 1,647.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,509.73 : 2,081.85 = 1,194.49 : x
  2. Step 2: Convert to fraction form
    1,509.73/2,081.85 = 1,194.49/x
  3. Step 3: Cross multiply
    1,509.73x = 2,081.85 × 1,194.49
  4. Step 4: Simplify right side
    1,509.73x = 2,486,749.01
  5. Step 5: Solve for x
    x = 2,486,749.01/1,509.73
  6. Step 6: Final answer
    x = 1,647.15

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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.