Home / 3,610.46-4,980.53-2,281.86

Finding the Fourth Proportional to 3,610.46, 4,980.53 and 2,281.86

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Solution

The fourth proportional to 3,610.46, 4,980.53 and 2,281.86 is: 3,147.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,610.46 : 4,980.53 = 2,281.86 : x
  2. Step 2: Convert to fraction form
    3,610.46/4,980.53 = 2,281.86/x
  3. Step 3: Cross multiply
    3,610.46x = 4,980.53 × 2,281.86
  4. Step 4: Simplify right side
    3,610.46x = 11,364,860.78
  5. Step 5: Solve for x
    x = 11,364,860.78/3,610.46
  6. Step 6: Final answer
    x = 3,147.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.