Home / 2,824.88-4,234.28-1,435.12

Finding the Fourth Proportional to 2,824.88, 4,234.28 and 1,435.12

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Solution

The fourth proportional to 2,824.88, 4,234.28 and 1,435.12 is: 2,151.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,824.88 : 4,234.28 = 1,435.12 : x
  2. Step 2: Convert to fraction form
    2,824.88/4,234.28 = 1,435.12/x
  3. Step 3: Cross multiply
    2,824.88x = 4,234.28 × 1,435.12
  4. Step 4: Simplify right side
    2,824.88x = 6,076,682.15
  5. Step 5: Solve for x
    x = 6,076,682.15/2,824.88
  6. Step 6: Final answer
    x = 2,151.13

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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.