Home / 3,119.96-4,303.64-2,000.52

Finding the Fourth Proportional to 3,119.96, 4,303.64 and 2,000.52

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Solution

The fourth proportional to 3,119.96, 4,303.64 and 2,000.52 is: 2,759.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,119.96 : 4,303.64 = 2,000.52 : x
  2. Step 2: Convert to fraction form
    3,119.96/4,303.64 = 2,000.52/x
  3. Step 3: Cross multiply
    3,119.96x = 4,303.64 × 2,000.52
  4. Step 4: Simplify right side
    3,119.96x = 8,609,517.89
  5. Step 5: Solve for x
    x = 8,609,517.89/3,119.96
  6. Step 6: Final answer
    x = 2,759.50

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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.