Home / 3,444.80-5,167.20-2,667.20

Finding the Fourth Proportional to 3,444.80, 5,167.20 and 2,667.20

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Solution

The fourth proportional to 3,444.80, 5,167.20 and 2,667.20 is: 4,000.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,444.80 : 5,167.20 = 2,667.20 : x
  2. Step 2: Convert to fraction form
    3,444.80/5,167.20 = 2,667.20/x
  3. Step 3: Cross multiply
    3,444.80x = 5,167.20 × 2,667.20
  4. Step 4: Simplify right side
    3,444.80x = 13,781,955.84
  5. Step 5: Solve for x
    x = 13,781,955.84/3,444.80
  6. Step 6: Final answer
    x = 4,000.80

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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.