Home / 3,207.13-4,811.54-1,358.32

Finding the Fourth Proportional to 3,207.13, 4,811.54 and 1,358.32

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Solution

The fourth proportional to 3,207.13, 4,811.54 and 1,358.32 is: 2,037.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,207.13 : 4,811.54 = 1,358.32 : x
  2. Step 2: Convert to fraction form
    3,207.13/4,811.54 = 1,358.32/x
  3. Step 3: Cross multiply
    3,207.13x = 4,811.54 × 1,358.32
  4. Step 4: Simplify right side
    3,207.13x = 6,535,611.01
  5. Step 5: Solve for x
    x = 6,535,611.01/3,207.13
  6. Step 6: Final answer
    x = 2,037.84

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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.