Home / 3,848.43-5,776.73-3,126.72

Finding the Fourth Proportional to 3,848.43, 5,776.73 and 3,126.72

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Solution

The fourth proportional to 3,848.43, 5,776.73 and 3,126.72 is: 4,693.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.43 : 5,776.73 = 3,126.72 : x
  2. Step 2: Convert to fraction form
    3,848.43/5,776.73 = 3,126.72/x
  3. Step 3: Cross multiply
    3,848.43x = 5,776.73 × 3,126.72
  4. Step 4: Simplify right side
    3,848.43x = 18,062,217.23
  5. Step 5: Solve for x
    x = 18,062,217.23/3,848.43
  6. Step 6: Final answer
    x = 4,693.40

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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.