Home / 3,181.45-4,748.94-2,946.96

Finding the Fourth Proportional to 3,181.45, 4,748.94 and 2,946.96

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Solution

The fourth proportional to 3,181.45, 4,748.94 and 2,946.96 is: 4,398.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,181.45 : 4,748.94 = 2,946.96 : x
  2. Step 2: Convert to fraction form
    3,181.45/4,748.94 = 2,946.96/x
  3. Step 3: Cross multiply
    3,181.45x = 4,748.94 × 2,946.96
  4. Step 4: Simplify right side
    3,181.45x = 13,994,897.74
  5. Step 5: Solve for x
    x = 13,994,897.74/3,181.45
  6. Step 6: Final answer
    x = 4,398.91

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.