Home / 2,135.34-3,197.34-1,158.48

Finding the Fourth Proportional to 2,135.34, 3,197.34 and 1,158.48

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Solution

The fourth proportional to 2,135.34, 3,197.34 and 1,158.48 is: 1,734.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,135.34 : 3,197.34 = 1,158.48 : x
  2. Step 2: Convert to fraction form
    2,135.34/3,197.34 = 1,158.48/x
  3. Step 3: Cross multiply
    2,135.34x = 3,197.34 × 1,158.48
  4. Step 4: Simplify right side
    2,135.34x = 3,704,054.44
  5. Step 5: Solve for x
    x = 3,704,054.44/2,135.34
  6. Step 6: Final answer
    x = 1,734.64

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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.