Home / 4,191.68-6,290.88-2,461.76

Finding the Fourth Proportional to 4,191.68, 6,290.88 and 2,461.76

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Solution

The fourth proportional to 4,191.68, 6,290.88 and 2,461.76 is: 3,694.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,191.68 : 6,290.88 = 2,461.76 : x
  2. Step 2: Convert to fraction form
    4,191.68/6,290.88 = 2,461.76/x
  3. Step 3: Cross multiply
    4,191.68x = 6,290.88 × 2,461.76
  4. Step 4: Simplify right side
    4,191.68x = 15,486,636.75
  5. Step 5: Solve for x
    x = 15,486,636.75/4,191.68
  6. Step 6: Final answer
    x = 3,694.61

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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.