Home / 3,260.17-4,890.63-1,181.15

Finding the Fourth Proportional to 3,260.17, 4,890.63 and 1,181.15

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Solution

The fourth proportional to 3,260.17, 4,890.63 and 1,181.15 is: 1,771.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,260.17 : 4,890.63 = 1,181.15 : x
  2. Step 2: Convert to fraction form
    3,260.17/4,890.63 = 1,181.15/x
  3. Step 3: Cross multiply
    3,260.17x = 4,890.63 × 1,181.15
  4. Step 4: Simplify right side
    3,260.17x = 5,776,559.30
  5. Step 5: Solve for x
    x = 5,776,559.30/3,260.17
  6. Step 6: Final answer
    x = 1,771.86

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1.5x scale

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.