Home / 3,063.12-4,225.60-2,000.40

Finding the Fourth Proportional to 3,063.12, 4,225.60 and 2,000.40

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Solution

The fourth proportional to 3,063.12, 4,225.60 and 2,000.40 is: 2,759.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,063.12 : 4,225.60 = 2,000.40 : x
  2. Step 2: Convert to fraction form
    3,063.12/4,225.60 = 2,000.40/x
  3. Step 3: Cross multiply
    3,063.12x = 4,225.60 × 2,000.40
  4. Step 4: Simplify right side
    3,063.12x = 8,452,890.24
  5. Step 5: Solve for x
    x = 8,452,890.24/3,063.12
  6. Step 6: Final answer
    x = 2,759.57

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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.