Home / 1,809.04-2,700.68-1,790.56

Finding the Fourth Proportional to 1,809.04, 2,700.68 and 1,790.56

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Solution

The fourth proportional to 1,809.04, 2,700.68 and 1,790.56 is: 2,673.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,809.04 : 2,700.68 = 1,790.56 : x
  2. Step 2: Convert to fraction form
    1,809.04/2,700.68 = 1,790.56/x
  3. Step 3: Cross multiply
    1,809.04x = 2,700.68 × 1,790.56
  4. Step 4: Simplify right side
    1,809.04x = 4,835,729.58
  5. Step 5: Solve for x
    x = 4,835,729.58/1,809.04
  6. Step 6: Final answer
    x = 2,673.09

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.