Home / 4,280.29-5,906.72-2,391.75

Finding the Fourth Proportional to 4,280.29, 5,906.72 and 2,391.75

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Solution

The fourth proportional to 4,280.29, 5,906.72 and 2,391.75 is: 3,300.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,280.29 : 5,906.72 = 2,391.75 : x
  2. Step 2: Convert to fraction form
    4,280.29/5,906.72 = 2,391.75/x
  3. Step 3: Cross multiply
    4,280.29x = 5,906.72 × 2,391.75
  4. Step 4: Simplify right side
    4,280.29x = 14,127,403.54
  5. Step 5: Solve for x
    x = 14,127,403.54/4,280.29
  6. Step 6: Final answer
    x = 3,300.57

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1.5x scale

Why These Related Problems?

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