Home / 3,131.96-4,698.02-1,051.88

Finding the Fourth Proportional to 3,131.96, 4,698.02 and 1,051.88

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Solution

The fourth proportional to 3,131.96, 4,698.02 and 1,051.88 is: 1,577.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.96 : 4,698.02 = 1,051.88 : x
  2. Step 2: Convert to fraction form
    3,131.96/4,698.02 = 1,051.88/x
  3. Step 3: Cross multiply
    3,131.96x = 4,698.02 × 1,051.88
  4. Step 4: Simplify right side
    3,131.96x = 4,941,732.42
  5. Step 5: Solve for x
    x = 4,941,732.42/3,131.96
  6. Step 6: Final answer
    x = 1,577.84

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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.