Home / 3,585.88-5,379.52-1,245.80

Finding the Fourth Proportional to 3,585.88, 5,379.52 and 1,245.80

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Solution

The fourth proportional to 3,585.88, 5,379.52 and 1,245.80 is: 1,868.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,585.88 : 5,379.52 = 1,245.80 : x
  2. Step 2: Convert to fraction form
    3,585.88/5,379.52 = 1,245.80/x
  3. Step 3: Cross multiply
    3,585.88x = 5,379.52 × 1,245.80
  4. Step 4: Simplify right side
    3,585.88x = 6,701,806.02
  5. Step 5: Solve for x
    x = 6,701,806.02/3,585.88
  6. Step 6: Final answer
    x = 1,868.94

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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.