Home / 3,517.04-4,855.56-2,120.24

Finding the Fourth Proportional to 3,517.04, 4,855.56 and 2,120.24

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Solution

The fourth proportional to 3,517.04, 4,855.56 and 2,120.24 is: 2,927.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,517.04 : 4,855.56 = 2,120.24 : x
  2. Step 2: Convert to fraction form
    3,517.04/4,855.56 = 2,120.24/x
  3. Step 3: Cross multiply
    3,517.04x = 4,855.56 × 2,120.24
  4. Step 4: Simplify right side
    3,517.04x = 10,294,952.53
  5. Step 5: Solve for x
    x = 10,294,952.53/3,517.04
  6. Step 6: Final answer
    x = 2,927.16

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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.