Home / 3,086.55-4,631.85-3,075.21

Finding the Fourth Proportional to 3,086.55, 4,631.85 and 3,075.21

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Solution

The fourth proportional to 3,086.55, 4,631.85 and 3,075.21 is: 4,614.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,086.55 : 4,631.85 = 3,075.21 : x
  2. Step 2: Convert to fraction form
    3,086.55/4,631.85 = 3,075.21/x
  3. Step 3: Cross multiply
    3,086.55x = 4,631.85 × 3,075.21
  4. Step 4: Simplify right side
    3,086.55x = 14,243,911.44
  5. Step 5: Solve for x
    x = 14,243,911.44/3,086.55
  6. Step 6: Final answer
    x = 4,614.83

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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.