Home / 3,408.48-5,112.84-2,667.40

Finding the Fourth Proportional to 3,408.48, 5,112.84 and 2,667.40

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Solution

The fourth proportional to 3,408.48, 5,112.84 and 2,667.40 is: 4,001.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,408.48 : 5,112.84 = 2,667.40 : x
  2. Step 2: Convert to fraction form
    3,408.48/5,112.84 = 2,667.40/x
  3. Step 3: Cross multiply
    3,408.48x = 5,112.84 × 2,667.40
  4. Step 4: Simplify right side
    3,408.48x = 13,637,989.42
  5. Step 5: Solve for x
    x = 13,637,989.42/3,408.48
  6. Step 6: Final answer
    x = 4,001.19

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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.