Home / 3,952.13-5,925.69-1,872.72

Finding the Fourth Proportional to 3,952.13, 5,925.69 and 1,872.72

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Solution

The fourth proportional to 3,952.13, 5,925.69 and 1,872.72 is: 2,807.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,952.13 : 5,925.69 = 1,872.72 : x
  2. Step 2: Convert to fraction form
    3,952.13/5,925.69 = 1,872.72/x
  3. Step 3: Cross multiply
    3,952.13x = 5,925.69 × 1,872.72
  4. Step 4: Simplify right side
    3,952.13x = 11,097,158.18
  5. Step 5: Solve for x
    x = 11,097,158.18/3,952.13
  6. Step 6: Final answer
    x = 2,807.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.