Home / 4,288.57-5,917.51-2,520.52

Finding the Fourth Proportional to 4,288.57, 5,917.51 and 2,520.52

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Solution

The fourth proportional to 4,288.57, 5,917.51 and 2,520.52 is: 3,477.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,288.57 : 5,917.51 = 2,520.52 : x
  2. Step 2: Convert to fraction form
    4,288.57/5,917.51 = 2,520.52/x
  3. Step 3: Cross multiply
    4,288.57x = 5,917.51 × 2,520.52
  4. Step 4: Simplify right side
    4,288.57x = 14,915,181.21
  5. Step 5: Solve for x
    x = 14,915,181.21/4,288.57
  6. Step 6: Final answer
    x = 3,477.89

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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.