Home / 3,163.60-4,746.90-2,124.10

Finding the Fourth Proportional to 3,163.60, 4,746.90 and 2,124.10

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Solution

The fourth proportional to 3,163.60, 4,746.90 and 2,124.10 is: 3,187.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,163.60 : 4,746.90 = 2,124.10 : x
  2. Step 2: Convert to fraction form
    3,163.60/4,746.90 = 2,124.10/x
  3. Step 3: Cross multiply
    3,163.60x = 4,746.90 × 2,124.10
  4. Step 4: Simplify right side
    3,163.60x = 10,082,890.29
  5. Step 5: Solve for x
    x = 10,082,890.29/3,163.60
  6. Step 6: Final answer
    x = 3,187.16

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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.