Home / 2,963.29-4,086.70-1,914.25

Finding the Fourth Proportional to 2,963.29, 4,086.70 and 1,914.25

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Solution

The fourth proportional to 2,963.29, 4,086.70 and 1,914.25 is: 2,639.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.29 : 4,086.70 = 1,914.25 : x
  2. Step 2: Convert to fraction form
    2,963.29/4,086.70 = 1,914.25/x
  3. Step 3: Cross multiply
    2,963.29x = 4,086.70 × 1,914.25
  4. Step 4: Simplify right side
    2,963.29x = 7,822,965.48
  5. Step 5: Solve for x
    x = 7,822,965.48/2,963.29
  6. Step 6: Final answer
    x = 2,639.96

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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.