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Finding the Fourth Proportional to 3,209.58, 4,790.76 and 2,975.10

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Solution

The fourth proportional to 3,209.58, 4,790.76 and 2,975.10 is: 4,440.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,209.58 : 4,790.76 = 2,975.10 : x
  2. Step 2: Convert to fraction form
    3,209.58/4,790.76 = 2,975.10/x
  3. Step 3: Cross multiply
    3,209.58x = 4,790.76 × 2,975.10
  4. Step 4: Simplify right side
    3,209.58x = 14,252,990.08
  5. Step 5: Solve for x
    x = 14,252,990.08/3,209.58
  6. Step 6: Final answer
    x = 4,440.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.