Home / 3,089.87-4,630.93-2,207.78

Finding the Fourth Proportional to 3,089.87, 4,630.93 and 2,207.78

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Solution

The fourth proportional to 3,089.87, 4,630.93 and 2,207.78 is: 3,308.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,089.87 : 4,630.93 = 2,207.78 : x
  2. Step 2: Convert to fraction form
    3,089.87/4,630.93 = 2,207.78/x
  3. Step 3: Cross multiply
    3,089.87x = 4,630.93 × 2,207.78
  4. Step 4: Simplify right side
    3,089.87x = 10,224,080.69
  5. Step 5: Solve for x
    x = 10,224,080.69/3,089.87
  6. Step 6: Final answer
    x = 3,308.90

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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.