Home / 3,154.02-4,731.96-1,305.96

Finding the Fourth Proportional to 3,154.02, 4,731.96 and 1,305.96

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Solution

The fourth proportional to 3,154.02, 4,731.96 and 1,305.96 is: 1,959.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,154.02 : 4,731.96 = 1,305.96 : x
  2. Step 2: Convert to fraction form
    3,154.02/4,731.96 = 1,305.96/x
  3. Step 3: Cross multiply
    3,154.02x = 4,731.96 × 1,305.96
  4. Step 4: Simplify right side
    3,154.02x = 6,179,750.48
  5. Step 5: Solve for x
    x = 6,179,750.48/3,154.02
  6. Step 6: Final answer
    x = 1,959.33

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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.