Home / 3,466.86-4,778.64-2,137.68

Finding the Fourth Proportional to 3,466.86, 4,778.64 and 2,137.68

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Solution

The fourth proportional to 3,466.86, 4,778.64 and 2,137.68 is: 2,946.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,466.86 : 4,778.64 = 2,137.68 : x
  2. Step 2: Convert to fraction form
    3,466.86/4,778.64 = 2,137.68/x
  3. Step 3: Cross multiply
    3,466.86x = 4,778.64 × 2,137.68
  4. Step 4: Simplify right side
    3,466.86x = 10,215,203.16
  5. Step 5: Solve for x
    x = 10,215,203.16/3,466.86
  6. Step 6: Final answer
    x = 2,946.53

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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.