Home / 3,634.34-5,415.40-3,458.03

Finding the Fourth Proportional to 3,634.34, 5,415.40 and 3,458.03

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Solution

The fourth proportional to 3,634.34, 5,415.40 and 3,458.03 is: 5,152.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,634.34 : 5,415.40 = 3,458.03 : x
  2. Step 2: Convert to fraction form
    3,634.34/5,415.40 = 3,458.03/x
  3. Step 3: Cross multiply
    3,634.34x = 5,415.40 × 3,458.03
  4. Step 4: Simplify right side
    3,634.34x = 18,726,615.66
  5. Step 5: Solve for x
    x = 18,726,615.66/3,634.34
  6. Step 6: Final answer
    x = 5,152.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.