Home / 3,929.13-5,894.78-1,332.27

Finding the Fourth Proportional to 3,929.13, 5,894.78 and 1,332.27

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Solution

The fourth proportional to 3,929.13, 5,894.78 and 1,332.27 is: 1,998.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,929.13 : 5,894.78 = 1,332.27 : x
  2. Step 2: Convert to fraction form
    3,929.13/5,894.78 = 1,332.27/x
  3. Step 3: Cross multiply
    3,929.13x = 5,894.78 × 1,332.27
  4. Step 4: Simplify right side
    3,929.13x = 7,853,431.89
  5. Step 5: Solve for x
    x = 7,853,431.89/3,929.13
  6. Step 6: Final answer
    x = 1,998.77

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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.