Home / 2,274.10-3,137.77-1,377.70

Finding the Fourth Proportional to 2,274.10, 3,137.77 and 1,377.70

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Solution

The fourth proportional to 2,274.10, 3,137.77 and 1,377.70 is: 1,900.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,274.10 : 3,137.77 = 1,377.70 : x
  2. Step 2: Convert to fraction form
    2,274.10/3,137.77 = 1,377.70/x
  3. Step 3: Cross multiply
    2,274.10x = 3,137.77 × 1,377.70
  4. Step 4: Simplify right side
    2,274.10x = 4,322,905.73
  5. Step 5: Solve for x
    x = 4,322,905.73/2,274.10
  6. Step 6: Final answer
    x = 1,900.93

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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.