Home / 3,161.99-4,742.67-2,288.63

Finding the Fourth Proportional to 3,161.99, 4,742.67 and 2,288.63

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Solution

The fourth proportional to 3,161.99, 4,742.67 and 2,288.63 is: 3,432.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,161.99 : 4,742.67 = 2,288.63 : x
  2. Step 2: Convert to fraction form
    3,161.99/4,742.67 = 2,288.63/x
  3. Step 3: Cross multiply
    3,161.99x = 4,742.67 × 2,288.63
  4. Step 4: Simplify right side
    3,161.99x = 10,854,216.84
  5. Step 5: Solve for x
    x = 10,854,216.84/3,161.99
  6. Step 6: Final answer
    x = 3,432.72

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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.