Home / 3,190.55-4,776.71-2,461.55

Finding the Fourth Proportional to 3,190.55, 4,776.71 and 2,461.55

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Solution

The fourth proportional to 3,190.55, 4,776.71 and 2,461.55 is: 3,685.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,190.55 : 4,776.71 = 2,461.55 : x
  2. Step 2: Convert to fraction form
    3,190.55/4,776.71 = 2,461.55/x
  3. Step 3: Cross multiply
    3,190.55x = 4,776.71 × 2,461.55
  4. Step 4: Simplify right side
    3,190.55x = 11,758,074.31
  5. Step 5: Solve for x
    x = 11,758,074.31/3,190.55
  6. Step 6: Final answer
    x = 3,685.29

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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.