Home / 2,273.60-3,138.84-1,377.51

Finding the Fourth Proportional to 2,273.60, 3,138.84 and 1,377.51

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Solution

The fourth proportional to 2,273.60, 3,138.84 and 1,377.51 is: 1,901.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,273.60 : 3,138.84 = 1,377.51 : x
  2. Step 2: Convert to fraction form
    2,273.60/3,138.84 = 1,377.51/x
  3. Step 3: Cross multiply
    2,273.60x = 3,138.84 × 1,377.51
  4. Step 4: Simplify right side
    2,273.60x = 4,323,783.49
  5. Step 5: Solve for x
    x = 4,323,783.49/2,273.60
  6. Step 6: Final answer
    x = 1,901.74

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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.