Home / 2,171.43-3,257.15-1,525.05

Finding the Fourth Proportional to 2,171.43, 3,257.15 and 1,525.05

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Solution

The fourth proportional to 2,171.43, 3,257.15 and 1,525.05 is: 2,287.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,171.43 : 3,257.15 = 1,525.05 : x
  2. Step 2: Convert to fraction form
    2,171.43/3,257.15 = 1,525.05/x
  3. Step 3: Cross multiply
    2,171.43x = 3,257.15 × 1,525.05
  4. Step 4: Simplify right side
    2,171.43x = 4,967,308.98
  5. Step 5: Solve for x
    x = 4,967,308.98/2,171.43
  6. Step 6: Final answer
    x = 2,287.58

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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.