Home / 3,207.45-4,811.19-1,358.10

Finding the Fourth Proportional to 3,207.45, 4,811.19 and 1,358.10

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Solution

The fourth proportional to 3,207.45, 4,811.19 and 1,358.10 is: 2,037.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.45 : 4,811.19 = 1,358.10 : x
  2. Step 2: Convert to fraction form
    3,207.45/4,811.19 = 1,358.10/x
  3. Step 3: Cross multiply
    3,207.45x = 4,811.19 × 1,358.10
  4. Step 4: Simplify right side
    3,207.45x = 6,534,077.14
  5. Step 5: Solve for x
    x = 6,534,077.14/3,207.45
  6. Step 6: Final answer
    x = 2,037.16

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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.