Home / 4,161.52-5,742.76-2,391.92

Finding the Fourth Proportional to 4,161.52, 5,742.76 and 2,391.92

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Solution

The fourth proportional to 4,161.52, 5,742.76 and 2,391.92 is: 3,300.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,161.52 : 5,742.76 = 2,391.92 : x
  2. Step 2: Convert to fraction form
    4,161.52/5,742.76 = 2,391.92/x
  3. Step 3: Cross multiply
    4,161.52x = 5,742.76 × 2,391.92
  4. Step 4: Simplify right side
    4,161.52x = 13,736,222.50
  5. Step 5: Solve for x
    x = 13,736,222.50/4,161.52
  6. Step 6: Final answer
    x = 3,300.77

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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.