Home / 3,837.55-5,762.40-2,804.80

Finding the Fourth Proportional to 3,837.55, 5,762.40 and 2,804.80

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Solution

The fourth proportional to 3,837.55, 5,762.40 and 2,804.80 is: 4,211.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,837.55 : 5,762.40 = 2,804.80 : x
  2. Step 2: Convert to fraction form
    3,837.55/5,762.40 = 2,804.80/x
  3. Step 3: Cross multiply
    3,837.55x = 5,762.40 × 2,804.80
  4. Step 4: Simplify right side
    3,837.55x = 16,162,379.52
  5. Step 5: Solve for x
    x = 16,162,379.52/3,837.55
  6. Step 6: Final answer
    x = 4,211.64

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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.