Home / 3,495.10-5,235.61-1,618.35

Finding the Fourth Proportional to 3,495.10, 5,235.61 and 1,618.35

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Solution

The fourth proportional to 3,495.10, 5,235.61 and 1,618.35 is: 2,424.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,495.10 : 5,235.61 = 1,618.35 : x
  2. Step 2: Convert to fraction form
    3,495.10/5,235.61 = 1,618.35/x
  3. Step 3: Cross multiply
    3,495.10x = 5,235.61 × 1,618.35
  4. Step 4: Simplify right side
    3,495.10x = 8,473,049.44
  5. Step 5: Solve for x
    x = 8,473,049.44/3,495.10
  6. Step 6: Final answer
    x = 2,424.27

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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.