Home / 2,720.04-4,080.66-845.94

Finding the Fourth Proportional to 2,720.04, 4,080.66 and 845.94

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Solution

The fourth proportional to 2,720.04, 4,080.66 and 845.94 is: 1,269.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,720.04 : 4,080.66 = 845.94 : x
  2. Step 2: Convert to fraction form
    2,720.04/4,080.66 = 845.94/x
  3. Step 3: Cross multiply
    2,720.04x = 4,080.66 × 845.94
  4. Step 4: Simplify right side
    2,720.04x = 3,451,993.52
  5. Step 5: Solve for x
    x = 3,451,993.52/2,720.04
  6. Step 6: Final answer
    x = 1,269.10

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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.