Home / 1,634.35-2,255.87-1,340.32

Finding the Fourth Proportional to 1,634.35, 2,255.87 and 1,340.32

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Solution

The fourth proportional to 1,634.35, 2,255.87 and 1,340.32 is: 1,850.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,634.35 : 2,255.87 = 1,340.32 : x
  2. Step 2: Convert to fraction form
    1,634.35/2,255.87 = 1,340.32/x
  3. Step 3: Cross multiply
    1,634.35x = 2,255.87 × 1,340.32
  4. Step 4: Simplify right side
    1,634.35x = 3,023,575.34
  5. Step 5: Solve for x
    x = 3,023,575.34/1,634.35
  6. Step 6: Final answer
    x = 1,850.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.