Home / 3,360.88-5,032.80-2,811.70

Finding the Fourth Proportional to 3,360.88, 5,032.80 and 2,811.70

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Solution

The fourth proportional to 3,360.88, 5,032.80 and 2,811.70 is: 4,210.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,360.88 : 5,032.80 = 2,811.70 : x
  2. Step 2: Convert to fraction form
    3,360.88/5,032.80 = 2,811.70/x
  3. Step 3: Cross multiply
    3,360.88x = 5,032.80 × 2,811.70
  4. Step 4: Simplify right side
    3,360.88x = 14,150,723.76
  5. Step 5: Solve for x
    x = 14,150,723.76/3,360.88
  6. Step 6: Final answer
    x = 4,210.42

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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.