Home / 1,845.79-2,542.59-1,285.27

Finding the Fourth Proportional to 1,845.79, 2,542.59 and 1,285.27

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Solution

The fourth proportional to 1,845.79, 2,542.59 and 1,285.27 is: 1,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.79 : 2,542.59 = 1,285.27 : x
  2. Step 2: Convert to fraction form
    1,845.79/2,542.59 = 1,285.27/x
  3. Step 3: Cross multiply
    1,845.79x = 2,542.59 × 1,285.27
  4. Step 4: Simplify right side
    1,845.79x = 3,267,908.29
  5. Step 5: Solve for x
    x = 3,267,908.29/1,845.79
  6. Step 6: Final answer
    x = 1,770.47

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.