Home / 3,493.48-5,218.13-2,715.88

Finding the Fourth Proportional to 3,493.48, 5,218.13 and 2,715.88

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Solution

The fourth proportional to 3,493.48, 5,218.13 and 2,715.88 is: 4,056.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,493.48 : 5,218.13 = 2,715.88 : x
  2. Step 2: Convert to fraction form
    3,493.48/5,218.13 = 2,715.88/x
  3. Step 3: Cross multiply
    3,493.48x = 5,218.13 × 2,715.88
  4. Step 4: Simplify right side
    3,493.48x = 14,171,814.90
  5. Step 5: Solve for x
    x = 14,171,814.90/3,493.48
  6. Step 6: Final answer
    x = 4,056.65

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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.