Home / 3,929.54-5,880.33-2,887.07

Finding the Fourth Proportional to 3,929.54, 5,880.33 and 2,887.07

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Solution

The fourth proportional to 3,929.54, 5,880.33 and 2,887.07 is: 4,320.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.54 : 5,880.33 = 2,887.07 : x
  2. Step 2: Convert to fraction form
    3,929.54/5,880.33 = 2,887.07/x
  3. Step 3: Cross multiply
    3,929.54x = 5,880.33 × 2,887.07
  4. Step 4: Simplify right side
    3,929.54x = 16,976,894.93
  5. Step 5: Solve for x
    x = 16,976,894.93/3,929.54
  6. Step 6: Final answer
    x = 4,320.33

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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.