Home / 3,217.86-4,826.07-1,572.75

Finding the Fourth Proportional to 3,217.86, 4,826.07 and 1,572.75

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Solution

The fourth proportional to 3,217.86, 4,826.07 and 1,572.75 is: 2,358.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,217.86 : 4,826.07 = 1,572.75 : x
  2. Step 2: Convert to fraction form
    3,217.86/4,826.07 = 1,572.75/x
  3. Step 3: Cross multiply
    3,217.86x = 4,826.07 × 1,572.75
  4. Step 4: Simplify right side
    3,217.86x = 7,590,201.59
  5. Step 5: Solve for x
    x = 7,590,201.59/3,217.86
  6. Step 6: Final answer
    x = 2,358.77

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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.