Home / 1,765.19-2,651.92-1,665.45

Finding the Fourth Proportional to 1,765.19, 2,651.92 and 1,665.45

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Solution

The fourth proportional to 1,765.19, 2,651.92 and 1,665.45 is: 2,502.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,765.19 : 2,651.92 = 1,665.45 : x
  2. Step 2: Convert to fraction form
    1,765.19/2,651.92 = 1,665.45/x
  3. Step 3: Cross multiply
    1,765.19x = 2,651.92 × 1,665.45
  4. Step 4: Simplify right side
    1,765.19x = 4,416,629.37
  5. Step 5: Solve for x
    x = 4,416,629.37/1,765.19
  6. Step 6: Final answer
    x = 2,502.07

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.