Home / 1,791.23-2,675.30-1,545.21

Finding the Fourth Proportional to 1,791.23, 2,675.30 and 1,545.21

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Solution

The fourth proportional to 1,791.23, 2,675.30 and 1,545.21 is: 2,307.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791.23 : 2,675.30 = 1,545.21 : x
  2. Step 2: Convert to fraction form
    1,791.23/2,675.30 = 1,545.21/x
  3. Step 3: Cross multiply
    1,791.23x = 2,675.30 × 1,545.21
  4. Step 4: Simplify right side
    1,791.23x = 4,133,892.59
  5. Step 5: Solve for x
    x = 4,133,892.59/1,791.23
  6. Step 6: Final answer
    x = 2,307.86

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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.