Home / 3,246.42-4,481.56-2,127.40

Finding the Fourth Proportional to 3,246.42, 4,481.56 and 2,127.40

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Solution

The fourth proportional to 3,246.42, 4,481.56 and 2,127.40 is: 2,936.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,246.42 : 4,481.56 = 2,127.40 : x
  2. Step 2: Convert to fraction form
    3,246.42/4,481.56 = 2,127.40/x
  3. Step 3: Cross multiply
    3,246.42x = 4,481.56 × 2,127.40
  4. Step 4: Simplify right side
    3,246.42x = 9,534,070.74
  5. Step 5: Solve for x
    x = 9,534,070.74/3,246.42
  6. Step 6: Final answer
    x = 2,936.80

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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.