Home / 2,204.89-3,042.75-1,210.21

Finding the Fourth Proportional to 2,204.89, 3,042.75 and 1,210.21

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Solution

The fourth proportional to 2,204.89, 3,042.75 and 1,210.21 is: 1,670.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,204.89 : 3,042.75 = 1,210.21 : x
  2. Step 2: Convert to fraction form
    2,204.89/3,042.75 = 1,210.21/x
  3. Step 3: Cross multiply
    2,204.89x = 3,042.75 × 1,210.21
  4. Step 4: Simplify right side
    2,204.89x = 3,682,366.48
  5. Step 5: Solve for x
    x = 3,682,366.48/2,204.89
  6. Step 6: Final answer
    x = 1,670.09

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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.