Home / 2,175.90-3,259.05-1,352.43

Finding the Fourth Proportional to 2,175.90, 3,259.05 and 1,352.43

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Solution

The fourth proportional to 2,175.90, 3,259.05 and 1,352.43 is: 2,025.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,175.90 : 3,259.05 = 1,352.43 : x
  2. Step 2: Convert to fraction form
    2,175.90/3,259.05 = 1,352.43/x
  3. Step 3: Cross multiply
    2,175.90x = 3,259.05 × 1,352.43
  4. Step 4: Simplify right side
    2,175.90x = 4,407,636.99
  5. Step 5: Solve for x
    x = 4,407,636.99/2,175.90
  6. Step 6: Final answer
    x = 2,025.66

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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.