Home / 1,845.83-2,768.86-614.09

Finding the Fourth Proportional to 1,845.83, 2,768.86 and 614.09

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Solution

The fourth proportional to 1,845.83, 2,768.86 and 614.09 is: 921.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.83 : 2,768.86 = 614.09 : x
  2. Step 2: Convert to fraction form
    1,845.83/2,768.86 = 614.09/x
  3. Step 3: Cross multiply
    1,845.83x = 2,768.86 × 614.09
  4. Step 4: Simplify right side
    1,845.83x = 1,700,329.24
  5. Step 5: Solve for x
    x = 1,700,329.24/1,845.83
  6. Step 6: Final answer
    x = 921.17

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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.