Home / 3,200.21-4,415.28-2,525.88

Finding the Fourth Proportional to 3,200.21, 4,415.28 and 2,525.88

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Solution

The fourth proportional to 3,200.21, 4,415.28 and 2,525.88 is: 3,484.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,200.21 : 4,415.28 = 2,525.88 : x
  2. Step 2: Convert to fraction form
    3,200.21/4,415.28 = 2,525.88/x
  3. Step 3: Cross multiply
    3,200.21x = 4,415.28 × 2,525.88
  4. Step 4: Simplify right side
    3,200.21x = 11,152,474.53
  5. Step 5: Solve for x
    x = 11,152,474.53/3,200.21
  6. Step 6: Final answer
    x = 3,484.92

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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.