Home / 3,455.10-5,185.08-3,124.62

Finding the Fourth Proportional to 3,455.10, 5,185.08 and 3,124.62

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Solution

The fourth proportional to 3,455.10, 5,185.08 and 3,124.62 is: 4,689.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,455.10 : 5,185.08 = 3,124.62 : x
  2. Step 2: Convert to fraction form
    3,455.10/5,185.08 = 3,124.62/x
  3. Step 3: Cross multiply
    3,455.10x = 5,185.08 × 3,124.62
  4. Step 4: Simplify right side
    3,455.10x = 16,201,404.67
  5. Step 5: Solve for x
    x = 16,201,404.67/3,455.10
  6. Step 6: Final answer
    x = 4,689.13

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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.