Home / 2,820.52-4,232.40-2,276.20

Finding the Fourth Proportional to 2,820.52, 4,232.40 and 2,276.20

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Solution

The fourth proportional to 2,820.52, 4,232.40 and 2,276.20 is: 3,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,820.52 : 4,232.40 = 2,276.20 : x
  2. Step 2: Convert to fraction form
    2,820.52/4,232.40 = 2,276.20/x
  3. Step 3: Cross multiply
    2,820.52x = 4,232.40 × 2,276.20
  4. Step 4: Simplify right side
    2,820.52x = 9,633,788.88
  5. Step 5: Solve for x
    x = 9,633,788.88/2,820.52
  6. Step 6: Final answer
    x = 3,415.61

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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.