Home / 3,575.21-5,334.19-3,112.29

Finding the Fourth Proportional to 3,575.21, 5,334.19 and 3,112.29

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Solution

The fourth proportional to 3,575.21, 5,334.19 and 3,112.29 is: 4,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,575.21 : 5,334.19 = 3,112.29 : x
  2. Step 2: Convert to fraction form
    3,575.21/5,334.19 = 3,112.29/x
  3. Step 3: Cross multiply
    3,575.21x = 5,334.19 × 3,112.29
  4. Step 4: Simplify right side
    3,575.21x = 16,601,538.41
  5. Step 5: Solve for x
    x = 16,601,538.41/3,575.21
  6. Step 6: Final answer
    x = 4,643.52

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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.