Home / 3,642.68-5,029.28-2,801.84

Finding the Fourth Proportional to 3,642.68, 5,029.28 and 2,801.84

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Solution

The fourth proportional to 3,642.68, 5,029.28 and 2,801.84 is: 3,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,642.68 : 5,029.28 = 2,801.84 : x
  2. Step 2: Convert to fraction form
    3,642.68/5,029.28 = 2,801.84/x
  3. Step 3: Cross multiply
    3,642.68x = 5,029.28 × 2,801.84
  4. Step 4: Simplify right side
    3,642.68x = 14,091,198.72
  5. Step 5: Solve for x
    x = 14,091,198.72/3,642.68
  6. Step 6: Final answer
    x = 3,868.37

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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.