Home / 3,710.62-5,120.04-2,219.14

Finding the Fourth Proportional to 3,710.62, 5,120.04 and 2,219.14

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Solution

The fourth proportional to 3,710.62, 5,120.04 and 2,219.14 is: 3,062.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,710.62 : 5,120.04 = 2,219.14 : x
  2. Step 2: Convert to fraction form
    3,710.62/5,120.04 = 2,219.14/x
  3. Step 3: Cross multiply
    3,710.62x = 5,120.04 × 2,219.14
  4. Step 4: Simplify right side
    3,710.62x = 11,362,085.57
  5. Step 5: Solve for x
    x = 11,362,085.57/3,710.62
  6. Step 6: Final answer
    x = 3,062.05

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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.