Home / 3,505.21-5,232.52-2,981.70

Finding the Fourth Proportional to 3,505.21, 5,232.52 and 2,981.70

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Solution

The fourth proportional to 3,505.21, 5,232.52 and 2,981.70 is: 4,451.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,505.21 : 5,232.52 = 2,981.70 : x
  2. Step 2: Convert to fraction form
    3,505.21/5,232.52 = 2,981.70/x
  3. Step 3: Cross multiply
    3,505.21x = 5,232.52 × 2,981.70
  4. Step 4: Simplify right side
    3,505.21x = 15,601,804.88
  5. Step 5: Solve for x
    x = 15,601,804.88/3,505.21
  6. Step 6: Final answer
    x = 4,451.03

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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.