Home / 3,862.02-5,785.74-2,992.08

Finding the Fourth Proportional to 3,862.02, 5,785.74 and 2,992.08

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Solution

The fourth proportional to 3,862.02, 5,785.74 and 2,992.08 is: 4,482.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,862.02 : 5,785.74 = 2,992.08 : x
  2. Step 2: Convert to fraction form
    3,862.02/5,785.74 = 2,992.08/x
  3. Step 3: Cross multiply
    3,862.02x = 5,785.74 × 2,992.08
  4. Step 4: Simplify right side
    3,862.02x = 17,311,396.94
  5. Step 5: Solve for x
    x = 17,311,396.94/3,862.02
  6. Step 6: Final answer
    x = 4,482.47

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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.