Home / 3,158.17-4,732.02-1,921.84

Finding the Fourth Proportional to 3,158.17, 4,732.02 and 1,921.84

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Solution

The fourth proportional to 3,158.17, 4,732.02 and 1,921.84 is: 2,879.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,158.17 : 4,732.02 = 1,921.84 : x
  2. Step 2: Convert to fraction form
    3,158.17/4,732.02 = 1,921.84/x
  3. Step 3: Cross multiply
    3,158.17x = 4,732.02 × 1,921.84
  4. Step 4: Simplify right side
    3,158.17x = 9,094,185.32
  5. Step 5: Solve for x
    x = 9,094,185.32/3,158.17
  6. Step 6: Final answer
    x = 2,879.57

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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.