Home / 2,401.92-3,600-1,667.52

Finding the Fourth Proportional to 2,401.92, 3,600 and 1,667.52

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Solution

The fourth proportional to 2,401.92, 3,600 and 1,667.52 is: 2,499.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,401.92 : 3,600 = 1,667.52 : x
  2. Step 2: Convert to fraction form
    2,401.92/3,600 = 1,667.52/x
  3. Step 3: Cross multiply
    2,401.92x = 3,600 × 1,667.52
  4. Step 4: Simplify right side
    2,401.92x = 6,003,072
  5. Step 5: Solve for x
    x = 6,003,072/2,401.92
  6. Step 6: Final answer
    x = 2,499.28

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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.