Home / 3,580.94-4,941.62-2,009

Finding the Fourth Proportional to 3,580.94, 4,941.62 and 2,009

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Solution

The fourth proportional to 3,580.94, 4,941.62 and 2,009 is: 2,772.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,580.94 : 4,941.62 = 2,009 : x
  2. Step 2: Convert to fraction form
    3,580.94/4,941.62 = 2,009/x
  3. Step 3: Cross multiply
    3,580.94x = 4,941.62 × 2,009
  4. Step 4: Simplify right side
    3,580.94x = 9,927,714.58
  5. Step 5: Solve for x
    x = 9,927,714.58/3,580.94
  6. Step 6: Final answer
    x = 2,772.38

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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.