Home / 3,490.75-5,236.67-1,182.79

Finding the Fourth Proportional to 3,490.75, 5,236.67 and 1,182.79

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Solution

The fourth proportional to 3,490.75, 5,236.67 and 1,182.79 is: 1,774.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,490.75 : 5,236.67 = 1,182.79 : x
  2. Step 2: Convert to fraction form
    3,490.75/5,236.67 = 1,182.79/x
  3. Step 3: Cross multiply
    3,490.75x = 5,236.67 × 1,182.79
  4. Step 4: Simplify right side
    3,490.75x = 6,193,880.91
  5. Step 5: Solve for x
    x = 6,193,880.91/3,490.75
  6. Step 6: Final answer
    x = 1,774.37

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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.