Home / 2,032.20-2,802-1,245.54

Finding the Fourth Proportional to 2,032.20, 2,802 and 1,245.54

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Solution

The fourth proportional to 2,032.20, 2,802 and 1,245.54 is: 1,717.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,032.20 : 2,802 = 1,245.54 : x
  2. Step 2: Convert to fraction form
    2,032.20/2,802 = 1,245.54/x
  3. Step 3: Cross multiply
    2,032.20x = 2,802 × 1,245.54
  4. Step 4: Simplify right side
    2,032.20x = 3,490,003.08
  5. Step 5: Solve for x
    x = 3,490,003.08/2,032.20
  6. Step 6: Final answer
    x = 1,717.35

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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.