Home / 3,125.96-4,685.10-1,824.68

Finding the Fourth Proportional to 3,125.96, 4,685.10 and 1,824.68

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Solution

The fourth proportional to 3,125.96, 4,685.10 and 1,824.68 is: 2,734.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,125.96 : 4,685.10 = 1,824.68 : x
  2. Step 2: Convert to fraction form
    3,125.96/4,685.10 = 1,824.68/x
  3. Step 3: Cross multiply
    3,125.96x = 4,685.10 × 1,824.68
  4. Step 4: Simplify right side
    3,125.96x = 8,548,808.27
  5. Step 5: Solve for x
    x = 8,548,808.27/3,125.96
  6. Step 6: Final answer
    x = 2,734.78

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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.