Home / 3,437.80-5,152.38-3,161.32

Finding the Fourth Proportional to 3,437.80, 5,152.38 and 3,161.32

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Solution

The fourth proportional to 3,437.80, 5,152.38 and 3,161.32 is: 4,738.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,437.80 : 5,152.38 = 3,161.32 : x
  2. Step 2: Convert to fraction form
    3,437.80/5,152.38 = 3,161.32/x
  3. Step 3: Cross multiply
    3,437.80x = 5,152.38 × 3,161.32
  4. Step 4: Simplify right side
    3,437.80x = 16,288,321.94
  5. Step 5: Solve for x
    x = 16,288,321.94/3,437.80
  6. Step 6: Final answer
    x = 4,738.01

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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.