Home / 3,600.32-4,970.84-3,221.01

Finding the Fourth Proportional to 3,600.32, 4,970.84 and 3,221.01

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Solution

The fourth proportional to 3,600.32, 4,970.84 and 3,221.01 is: 4,447.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,600.32 : 4,970.84 = 3,221.01 : x
  2. Step 2: Convert to fraction form
    3,600.32/4,970.84 = 3,221.01/x
  3. Step 3: Cross multiply
    3,600.32x = 4,970.84 × 3,221.01
  4. Step 4: Simplify right side
    3,600.32x = 16,011,109.24
  5. Step 5: Solve for x
    x = 16,011,109.24/3,600.32
  6. Step 6: Final answer
    x = 4,447.14

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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.