Home / 3,456.24-4,769.68-1,884.40

Finding the Fourth Proportional to 3,456.24, 4,769.68 and 1,884.40

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Solution

The fourth proportional to 3,456.24, 4,769.68 and 1,884.40 is: 2,600.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,456.24 : 4,769.68 = 1,884.40 : x
  2. Step 2: Convert to fraction form
    3,456.24/4,769.68 = 1,884.40/x
  3. Step 3: Cross multiply
    3,456.24x = 4,769.68 × 1,884.40
  4. Step 4: Simplify right side
    3,456.24x = 8,987,984.99
  5. Step 5: Solve for x
    x = 8,987,984.99/3,456.24
  6. Step 6: Final answer
    x = 2,600.51

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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.