Home / 3,440.01-4,747.65-2,181.12

Finding the Fourth Proportional to 3,440.01, 4,747.65 and 2,181.12

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Solution

The fourth proportional to 3,440.01, 4,747.65 and 2,181.12 is: 3,010.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,440.01 : 4,747.65 = 2,181.12 : x
  2. Step 2: Convert to fraction form
    3,440.01/4,747.65 = 2,181.12/x
  3. Step 3: Cross multiply
    3,440.01x = 4,747.65 × 2,181.12
  4. Step 4: Simplify right side
    3,440.01x = 10,355,194.37
  5. Step 5: Solve for x
    x = 10,355,194.37/3,440.01
  6. Step 6: Final answer
    x = 3,010.22

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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.