Home / 3,635.63-5,454.25-1,327.13

Finding the Fourth Proportional to 3,635.63, 5,454.25 and 1,327.13

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Solution

The fourth proportional to 3,635.63, 5,454.25 and 1,327.13 is: 1,990.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,635.63 : 5,454.25 = 1,327.13 : x
  2. Step 2: Convert to fraction form
    3,635.63/5,454.25 = 1,327.13/x
  3. Step 3: Cross multiply
    3,635.63x = 5,454.25 × 1,327.13
  4. Step 4: Simplify right side
    3,635.63x = 7,238,498.80
  5. Step 5: Solve for x
    x = 7,238,498.80/3,635.63
  6. Step 6: Final answer
    x = 1,990.99

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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.