Home / 2,908.10-4,010.69-1,963.64

Finding the Fourth Proportional to 2,908.10, 4,010.69 and 1,963.64

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Solution

The fourth proportional to 2,908.10, 4,010.69 and 1,963.64 is: 2,708.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,908.10 : 4,010.69 = 1,963.64 : x
  2. Step 2: Convert to fraction form
    2,908.10/4,010.69 = 1,963.64/x
  3. Step 3: Cross multiply
    2,908.10x = 4,010.69 × 1,963.64
  4. Step 4: Simplify right side
    2,908.10x = 7,875,521.44
  5. Step 5: Solve for x
    x = 7,875,521.44/2,908.10
  6. Step 6: Final answer
    x = 2,708.14

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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.