Home / 3,486.23-5,219.48-3,157.77

Finding the Fourth Proportional to 3,486.23, 5,219.48 and 3,157.77

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Solution

The fourth proportional to 3,486.23, 5,219.48 and 3,157.77 is: 4,727.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,486.23 : 5,219.48 = 3,157.77 : x
  2. Step 2: Convert to fraction form
    3,486.23/5,219.48 = 3,157.77/x
  3. Step 3: Cross multiply
    3,486.23x = 5,219.48 × 3,157.77
  4. Step 4: Simplify right side
    3,486.23x = 16,481,901.57
  5. Step 5: Solve for x
    x = 16,481,901.57/3,486.23
  6. Step 6: Final answer
    x = 4,727.72

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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.