Home / 1,754.73-2,619.29-1,618.65

Finding the Fourth Proportional to 1,754.73, 2,619.29 and 1,618.65

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Solution

The fourth proportional to 1,754.73, 2,619.29 and 1,618.65 is: 2,416.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,754.73 : 2,619.29 = 1,618.65 : x
  2. Step 2: Convert to fraction form
    1,754.73/2,619.29 = 1,618.65/x
  3. Step 3: Cross multiply
    1,754.73x = 2,619.29 × 1,618.65
  4. Step 4: Simplify right side
    1,754.73x = 4,239,717.81
  5. Step 5: Solve for x
    x = 4,239,717.81/1,754.73
  6. Step 6: Final answer
    x = 2,416.17

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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.