Home / 1,845.91-2,768.33-1,520.47

Finding the Fourth Proportional to 1,845.91, 2,768.33 and 1,520.47

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Solution

The fourth proportional to 1,845.91, 2,768.33 and 1,520.47 is: 2,280.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,845.91 : 2,768.33 = 1,520.47 : x
  2. Step 2: Convert to fraction form
    1,845.91/2,768.33 = 1,520.47/x
  3. Step 3: Cross multiply
    1,845.91x = 2,768.33 × 1,520.47
  4. Step 4: Simplify right side
    1,845.91x = 4,209,155.11
  5. Step 5: Solve for x
    x = 4,209,155.11/1,845.91
  6. Step 6: Final answer
    x = 2,280.26

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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.