Home / 2,851.45-4,277.86-1,442.39

Finding the Fourth Proportional to 2,851.45, 4,277.86 and 1,442.39

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Solution

The fourth proportional to 2,851.45, 4,277.86 and 1,442.39 is: 2,163.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,851.45 : 4,277.86 = 1,442.39 : x
  2. Step 2: Convert to fraction form
    2,851.45/4,277.86 = 1,442.39/x
  3. Step 3: Cross multiply
    2,851.45x = 4,277.86 × 1,442.39
  4. Step 4: Simplify right side
    2,851.45x = 6,170,317.49
  5. Step 5: Solve for x
    x = 6,170,317.49/2,851.45
  6. Step 6: Final answer
    x = 2,163.92

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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.