Home / 3,417.18-5,125.95-1,108.50

Finding the Fourth Proportional to 3,417.18, 5,125.95 and 1,108.50

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Solution

The fourth proportional to 3,417.18, 5,125.95 and 1,108.50 is: 1,662.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,417.18 : 5,125.95 = 1,108.50 : x
  2. Step 2: Convert to fraction form
    3,417.18/5,125.95 = 1,108.50/x
  3. Step 3: Cross multiply
    3,417.18x = 5,125.95 × 1,108.50
  4. Step 4: Simplify right side
    3,417.18x = 5,682,115.58
  5. Step 5: Solve for x
    x = 5,682,115.58/3,417.18
  6. Step 6: Final answer
    x = 1,662.81

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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.