Home / 3,848.72-5,313.20-2,667.74

Finding the Fourth Proportional to 3,848.72, 5,313.20 and 2,667.74

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Solution

The fourth proportional to 3,848.72, 5,313.20 and 2,667.74 is: 3,682.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,848.72 : 5,313.20 = 2,667.74 : x
  2. Step 2: Convert to fraction form
    3,848.72/5,313.20 = 2,667.74/x
  3. Step 3: Cross multiply
    3,848.72x = 5,313.20 × 2,667.74
  4. Step 4: Simplify right side
    3,848.72x = 14,174,196.26
  5. Step 5: Solve for x
    x = 14,174,196.26/3,848.72
  6. Step 6: Final answer
    x = 3,682.84

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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.