Home / 3,420.77-5,125.68-3,092.72

Finding the Fourth Proportional to 3,420.77, 5,125.68 and 3,092.72

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Solution

The fourth proportional to 3,420.77, 5,125.68 and 3,092.72 is: 4,634.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,420.77 : 5,125.68 = 3,092.72 : x
  2. Step 2: Convert to fraction form
    3,420.77/5,125.68 = 3,092.72/x
  3. Step 3: Cross multiply
    3,420.77x = 5,125.68 × 3,092.72
  4. Step 4: Simplify right side
    3,420.77x = 15,852,293.05
  5. Step 5: Solve for x
    x = 15,852,293.05/3,420.77
  6. Step 6: Final answer
    x = 4,634.13

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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.