Home / 3,747.14-5,623.22-1,555.86

Finding the Fourth Proportional to 3,747.14, 5,623.22 and 1,555.86

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Solution

The fourth proportional to 3,747.14, 5,623.22 and 1,555.86 is: 2,334.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,747.14 : 5,623.22 = 1,555.86 : x
  2. Step 2: Convert to fraction form
    3,747.14/5,623.22 = 1,555.86/x
  3. Step 3: Cross multiply
    3,747.14x = 5,623.22 × 1,555.86
  4. Step 4: Simplify right side
    3,747.14x = 8,748,935.29
  5. Step 5: Solve for x
    x = 8,748,935.29/3,747.14
  6. Step 6: Final answer
    x = 2,334.83

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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.