Home / 3,498.42-5,239.70-2,712.12

Finding the Fourth Proportional to 3,498.42, 5,239.70 and 2,712.12

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Solution

The fourth proportional to 3,498.42, 5,239.70 and 2,712.12 is: 4,062.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,498.42 : 5,239.70 = 2,712.12 : x
  2. Step 2: Convert to fraction form
    3,498.42/5,239.70 = 2,712.12/x
  3. Step 3: Cross multiply
    3,498.42x = 5,239.70 × 2,712.12
  4. Step 4: Simplify right side
    3,498.42x = 14,210,681.60
  5. Step 5: Solve for x
    x = 14,210,681.60/3,498.42
  6. Step 6: Final answer
    x = 4,062.03

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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.