Home / 1,736.10-2,394.66-1,072.10

Finding the Fourth Proportional to 1,736.10, 2,394.66 and 1,072.10

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Solution

The fourth proportional to 1,736.10, 2,394.66 and 1,072.10 is: 1,478.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,736.10 : 2,394.66 = 1,072.10 : x
  2. Step 2: Convert to fraction form
    1,736.10/2,394.66 = 1,072.10/x
  3. Step 3: Cross multiply
    1,736.10x = 2,394.66 × 1,072.10
  4. Step 4: Simplify right side
    1,736.10x = 2,567,324.99
  5. Step 5: Solve for x
    x = 2,567,324.99/1,736.10
  6. Step 6: Final answer
    x = 1,478.79

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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.