Home / 1,717.65-2,573.73-1,672.09

Finding the Fourth Proportional to 1,717.65, 2,573.73 and 1,672.09

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Solution

The fourth proportional to 1,717.65, 2,573.73 and 1,672.09 is: 2,505.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,717.65 : 2,573.73 = 1,672.09 : x
  2. Step 2: Convert to fraction form
    1,717.65/2,573.73 = 1,672.09/x
  3. Step 3: Cross multiply
    1,717.65x = 2,573.73 × 1,672.09
  4. Step 4: Simplify right side
    1,717.65x = 4,303,499.84
  5. Step 5: Solve for x
    x = 4,303,499.84/1,717.65
  6. Step 6: Final answer
    x = 2,505.46

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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.