Home / 4,219.36-5,821.92-2,964.28

Finding the Fourth Proportional to 4,219.36, 5,821.92 and 2,964.28

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Solution

The fourth proportional to 4,219.36, 5,821.92 and 2,964.28 is: 4,090.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,219.36 : 5,821.92 = 2,964.28 : x
  2. Step 2: Convert to fraction form
    4,219.36/5,821.92 = 2,964.28/x
  3. Step 3: Cross multiply
    4,219.36x = 5,821.92 × 2,964.28
  4. Step 4: Simplify right side
    4,219.36x = 17,257,801.02
  5. Step 5: Solve for x
    x = 17,257,801.02/4,219.36
  6. Step 6: Final answer
    x = 4,090.15

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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.