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Finding the Fourth Proportional to 1,675.94, 2,514.24 and 580.28

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Solution

The fourth proportional to 1,675.94, 2,514.24 and 580.28 is: 870.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,675.94 : 2,514.24 = 580.28 : x
  2. Step 2: Convert to fraction form
    1,675.94/2,514.24 = 580.28/x
  3. Step 3: Cross multiply
    1,675.94x = 2,514.24 × 580.28
  4. Step 4: Simplify right side
    1,675.94x = 1,458,950.62
  5. Step 5: Solve for x
    x = 1,458,950.62/1,675.94
  6. Step 6: Final answer
    x = 870.53

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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.