Home / 2,391.73-3,590.61-2,280.94

Finding the Fourth Proportional to 2,391.73, 3,590.61 and 2,280.94

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Solution

The fourth proportional to 2,391.73, 3,590.61 and 2,280.94 is: 3,424.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,391.73 : 3,590.61 = 2,280.94 : x
  2. Step 2: Convert to fraction form
    2,391.73/3,590.61 = 2,280.94/x
  3. Step 3: Cross multiply
    2,391.73x = 3,590.61 × 2,280.94
  4. Step 4: Simplify right side
    2,391.73x = 8,189,965.97
  5. Step 5: Solve for x
    x = 8,189,965.97/2,391.73
  6. Step 6: Final answer
    x = 3,424.29

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1.5x scale

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.