Home / 3,506.56-4,839.88-2,181.28

Finding the Fourth Proportional to 3,506.56, 4,839.88 and 2,181.28

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Solution

The fourth proportional to 3,506.56, 4,839.88 and 2,181.28 is: 3,010.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,506.56 : 4,839.88 = 2,181.28 : x
  2. Step 2: Convert to fraction form
    3,506.56/4,839.88 = 2,181.28/x
  3. Step 3: Cross multiply
    3,506.56x = 4,839.88 × 2,181.28
  4. Step 4: Simplify right side
    3,506.56x = 10,557,133.45
  5. Step 5: Solve for x
    x = 10,557,133.45/3,506.56
  6. Step 6: Final answer
    x = 3,010.68

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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.