Home / 2,963.97-4,090.01-2,178.45

Finding the Fourth Proportional to 2,963.97, 4,090.01 and 2,178.45

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Solution

The fourth proportional to 2,963.97, 4,090.01 and 2,178.45 is: 3,006.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,963.97 : 4,090.01 = 2,178.45 : x
  2. Step 2: Convert to fraction form
    2,963.97/4,090.01 = 2,178.45/x
  3. Step 3: Cross multiply
    2,963.97x = 4,090.01 × 2,178.45
  4. Step 4: Simplify right side
    2,963.97x = 8,909,871.39
  5. Step 5: Solve for x
    x = 8,909,871.39/2,963.97
  6. Step 6: Final answer
    x = 3,006.06

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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.