Home / 3,405.15-5,117.85-2,823.93

Finding the Fourth Proportional to 3,405.15, 5,117.85 and 2,823.93

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Solution

The fourth proportional to 3,405.15, 5,117.85 and 2,823.93 is: 4,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,405.15 : 5,117.85 = 2,823.93 : x
  2. Step 2: Convert to fraction form
    3,405.15/5,117.85 = 2,823.93/x
  3. Step 3: Cross multiply
    3,405.15x = 5,117.85 × 2,823.93
  4. Step 4: Simplify right side
    3,405.15x = 14,452,450.15
  5. Step 5: Solve for x
    x = 14,452,450.15/3,405.15
  6. Step 6: Final answer
    x = 4,244.29

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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.