Home / 3,212.24-4,811.40-1,565.36

Finding the Fourth Proportional to 3,212.24, 4,811.40 and 1,565.36

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Solution

The fourth proportional to 3,212.24, 4,811.40 and 1,565.36 is: 2,344.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,212.24 : 4,811.40 = 1,565.36 : x
  2. Step 2: Convert to fraction form
    3,212.24/4,811.40 = 1,565.36/x
  3. Step 3: Cross multiply
    3,212.24x = 4,811.40 × 1,565.36
  4. Step 4: Simplify right side
    3,212.24x = 7,531,573.10
  5. Step 5: Solve for x
    x = 7,531,573.10/3,212.24
  6. Step 6: Final answer
    x = 2,344.65

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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.