Home / 3,131.90-4,698.54-1,184.12

Finding the Fourth Proportional to 3,131.90, 4,698.54 and 1,184.12

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Solution

The fourth proportional to 3,131.90, 4,698.54 and 1,184.12 is: 1,776.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,131.90 : 4,698.54 = 1,184.12 : x
  2. Step 2: Convert to fraction form
    3,131.90/4,698.54 = 1,184.12/x
  3. Step 3: Cross multiply
    3,131.90x = 4,698.54 × 1,184.12
  4. Step 4: Simplify right side
    3,131.90x = 5,563,635.18
  5. Step 5: Solve for x
    x = 5,563,635.18/3,131.90
  6. Step 6: Final answer
    x = 1,776.44

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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.