Home / 3,580.80-4,939.08-2,917.68

Finding the Fourth Proportional to 3,580.80, 4,939.08 and 2,917.68

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Solution

The fourth proportional to 3,580.80, 4,939.08 and 2,917.68 is: 4,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.80 : 4,939.08 = 2,917.68 : x
  2. Step 2: Convert to fraction form
    3,580.80/4,939.08 = 2,917.68/x
  3. Step 3: Cross multiply
    3,580.80x = 4,939.08 × 2,917.68
  4. Step 4: Simplify right side
    3,580.80x = 14,410,654.93
  5. Step 5: Solve for x
    x = 14,410,654.93/3,580.80
  6. Step 6: Final answer
    x = 4,024.42

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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.