Home / 2,205.02-3,042.96-1,210.29

Finding the Fourth Proportional to 2,205.02, 3,042.96 and 1,210.29

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Solution

The fourth proportional to 2,205.02, 3,042.96 and 1,210.29 is: 1,670.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,205.02 : 3,042.96 = 1,210.29 : x
  2. Step 2: Convert to fraction form
    2,205.02/3,042.96 = 1,210.29/x
  3. Step 3: Cross multiply
    2,205.02x = 3,042.96 × 1,210.29
  4. Step 4: Simplify right side
    2,205.02x = 3,682,864.06
  5. Step 5: Solve for x
    x = 3,682,864.06/2,205.02
  6. Step 6: Final answer
    x = 1,670.22

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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.