Home / 3,973.12-5,475.12-2,923.36

Finding the Fourth Proportional to 3,973.12, 5,475.12 and 2,923.36

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Solution

The fourth proportional to 3,973.12, 5,475.12 and 2,923.36 is: 4,028.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,973.12 : 5,475.12 = 2,923.36 : x
  2. Step 2: Convert to fraction form
    3,973.12/5,475.12 = 2,923.36/x
  3. Step 3: Cross multiply
    3,973.12x = 5,475.12 × 2,923.36
  4. Step 4: Simplify right side
    3,973.12x = 16,005,746.80
  5. Step 5: Solve for x
    x = 16,005,746.80/3,973.12
  6. Step 6: Final answer
    x = 4,028.51

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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.