Home / 3,119.59-4,682.73-2,775.13

Finding the Fourth Proportional to 3,119.59, 4,682.73 and 2,775.13

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Solution

The fourth proportional to 3,119.59, 4,682.73 and 2,775.13 is: 4,165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.59 : 4,682.73 = 2,775.13 : x
  2. Step 2: Convert to fraction form
    3,119.59/4,682.73 = 2,775.13/x
  3. Step 3: Cross multiply
    3,119.59x = 4,682.73 × 2,775.13
  4. Step 4: Simplify right side
    3,119.59x = 12,995,184.50
  5. Step 5: Solve for x
    x = 12,995,184.50/3,119.59
  6. Step 6: Final answer
    x = 4,165.67

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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.