Home / 2,512.20-3,464.64-1,672.86

Finding the Fourth Proportional to 2,512.20, 3,464.64 and 1,672.86

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Solution

The fourth proportional to 2,512.20, 3,464.64 and 1,672.86 is: 2,307.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,512.20 : 3,464.64 = 1,672.86 : x
  2. Step 2: Convert to fraction form
    2,512.20/3,464.64 = 1,672.86/x
  3. Step 3: Cross multiply
    2,512.20x = 3,464.64 × 1,672.86
  4. Step 4: Simplify right side
    2,512.20x = 5,795,857.67
  5. Step 5: Solve for x
    x = 5,795,857.67/2,512.20
  6. Step 6: Final answer
    x = 2,307.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.