Home / 3,482.64-5,219.28-2,180.16

Finding the Fourth Proportional to 3,482.64, 5,219.28 and 2,180.16

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Solution

The fourth proportional to 3,482.64, 5,219.28 and 2,180.16 is: 3,267.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,482.64 : 5,219.28 = 2,180.16 : x
  2. Step 2: Convert to fraction form
    3,482.64/5,219.28 = 2,180.16/x
  3. Step 3: Cross multiply
    3,482.64x = 5,219.28 × 2,180.16
  4. Step 4: Simplify right side
    3,482.64x = 11,378,865.48
  5. Step 5: Solve for x
    x = 11,378,865.48/3,482.64
  6. Step 6: Final answer
    x = 3,267.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.