Home / 3,542.16-5,310.66-1,667.40

Finding the Fourth Proportional to 3,542.16, 5,310.66 and 1,667.40

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Solution

The fourth proportional to 3,542.16, 5,310.66 and 1,667.40 is: 2,499.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,542.16 : 5,310.66 = 1,667.40 : x
  2. Step 2: Convert to fraction form
    3,542.16/5,310.66 = 1,667.40/x
  3. Step 3: Cross multiply
    3,542.16x = 5,310.66 × 1,667.40
  4. Step 4: Simplify right side
    3,542.16x = 8,854,994.48
  5. Step 5: Solve for x
    x = 8,854,994.48/3,542.16
  6. Step 6: Final answer
    x = 2,499.89

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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.