Home / 3,874.07-5,347.62-2,383.98

Finding the Fourth Proportional to 3,874.07, 5,347.62 and 2,383.98

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Solution

The fourth proportional to 3,874.07, 5,347.62 and 2,383.98 is: 3,290.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,874.07 : 5,347.62 = 2,383.98 : x
  2. Step 2: Convert to fraction form
    3,874.07/5,347.62 = 2,383.98/x
  3. Step 3: Cross multiply
    3,874.07x = 5,347.62 × 2,383.98
  4. Step 4: Simplify right side
    3,874.07x = 12,748,619.13
  5. Step 5: Solve for x
    x = 12,748,619.13/3,874.07
  6. Step 6: Final answer
    x = 3,290.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.