Home / 3,244.72-4,477-1,917.52

Finding the Fourth Proportional to 3,244.72, 4,477 and 1,917.52

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Solution

The fourth proportional to 3,244.72, 4,477 and 1,917.52 is: 2,645.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,244.72 : 4,477 = 1,917.52 : x
  2. Step 2: Convert to fraction form
    3,244.72/4,477 = 1,917.52/x
  3. Step 3: Cross multiply
    3,244.72x = 4,477 × 1,917.52
  4. Step 4: Simplify right side
    3,244.72x = 8,584,737.04
  5. Step 5: Solve for x
    x = 8,584,737.04/3,244.72
  6. Step 6: Final answer
    x = 2,645.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.