Home / 2,820.88-4,232.58-1,520.84

Finding the Fourth Proportional to 2,820.88, 4,232.58 and 1,520.84

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Solution

The fourth proportional to 2,820.88, 4,232.58 and 1,520.84 is: 2,281.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.88 : 4,232.58 = 1,520.84 : x
  2. Step 2: Convert to fraction form
    2,820.88/4,232.58 = 1,520.84/x
  3. Step 3: Cross multiply
    2,820.88x = 4,232.58 × 1,520.84
  4. Step 4: Simplify right side
    2,820.88x = 6,437,076.97
  5. Step 5: Solve for x
    x = 6,437,076.97/2,820.88
  6. Step 6: Final answer
    x = 2,281.94

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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.