Home / 3,166.35-4,751.24-1,318.74

Finding the Fourth Proportional to 3,166.35, 4,751.24 and 1,318.74

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Solution

The fourth proportional to 3,166.35, 4,751.24 and 1,318.74 is: 1,978.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,166.35 : 4,751.24 = 1,318.74 : x
  2. Step 2: Convert to fraction form
    3,166.35/4,751.24 = 1,318.74/x
  3. Step 3: Cross multiply
    3,166.35x = 4,751.24 × 1,318.74
  4. Step 4: Simplify right side
    3,166.35x = 6,265,643.64
  5. Step 5: Solve for x
    x = 6,265,643.64/3,166.35
  6. Step 6: Final answer
    x = 1,978.82

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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.