Home / 3,504.59-5,260.36-1,861.15

Finding the Fourth Proportional to 3,504.59, 5,260.36 and 1,861.15

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Solution

The fourth proportional to 3,504.59, 5,260.36 and 1,861.15 is: 2,793.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,504.59 : 5,260.36 = 1,861.15 : x
  2. Step 2: Convert to fraction form
    3,504.59/5,260.36 = 1,861.15/x
  3. Step 3: Cross multiply
    3,504.59x = 5,260.36 × 1,861.15
  4. Step 4: Simplify right side
    3,504.59x = 9,790,283.41
  5. Step 5: Solve for x
    x = 9,790,283.41/3,504.59
  6. Step 6: Final answer
    x = 2,793.56

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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.