Home / 3,056.00-4,219.70-1,994.49

Finding the Fourth Proportional to 3,056.00, 4,219.70 and 1,994.49

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Solution

The fourth proportional to 3,056.00, 4,219.70 and 1,994.49 is: 2,753.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,056.00 : 4,219.70 = 1,994.49 : x
  2. Step 2: Convert to fraction form
    3,056.00/4,219.70 = 1,994.49/x
  3. Step 3: Cross multiply
    3,056.00x = 4,219.70 × 1,994.49
  4. Step 4: Simplify right side
    3,056.00x = 8,416,139.48
  5. Step 5: Solve for x
    x = 8,416,139.48/3,056.00
  6. Step 6: Final answer
    x = 2,753.98

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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.