Home / 3,712.55-5,567.99-1,080.05

Finding the Fourth Proportional to 3,712.55, 5,567.99 and 1,080.05

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Solution

The fourth proportional to 3,712.55, 5,567.99 and 1,080.05 is: 1,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,712.55 : 5,567.99 = 1,080.05 : x
  2. Step 2: Convert to fraction form
    3,712.55/5,567.99 = 1,080.05/x
  3. Step 3: Cross multiply
    3,712.55x = 5,567.99 × 1,080.05
  4. Step 4: Simplify right side
    3,712.55x = 6,013,674.36
  5. Step 5: Solve for x
    x = 6,013,674.36/3,712.55
  6. Step 6: Final answer
    x = 1,619.83

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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.