Home / 2,199.31-3,035.13-1,204.63

Finding the Fourth Proportional to 2,199.31, 3,035.13 and 1,204.63

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Solution

The fourth proportional to 2,199.31, 3,035.13 and 1,204.63 is: 1,662.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,199.31 : 3,035.13 = 1,204.63 : x
  2. Step 2: Convert to fraction form
    2,199.31/3,035.13 = 1,204.63/x
  3. Step 3: Cross multiply
    2,199.31x = 3,035.13 × 1,204.63
  4. Step 4: Simplify right side
    2,199.31x = 3,656,208.65
  5. Step 5: Solve for x
    x = 3,656,208.65/2,199.31
  6. Step 6: Final answer
    x = 1,662.43

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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.