Home / 3,648.85-5,037.09-2,389.96

Finding the Fourth Proportional to 3,648.85, 5,037.09 and 2,389.96

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Solution

The fourth proportional to 3,648.85, 5,037.09 and 2,389.96 is: 3,299.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,648.85 : 5,037.09 = 2,389.96 : x
  2. Step 2: Convert to fraction form
    3,648.85/5,037.09 = 2,389.96/x
  3. Step 3: Cross multiply
    3,648.85x = 5,037.09 × 2,389.96
  4. Step 4: Simplify right side
    3,648.85x = 12,038,412.62
  5. Step 5: Solve for x
    x = 12,038,412.62/3,648.85
  6. Step 6: Final answer
    x = 3,299.24

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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.