Home / 1,907.29-2,631.99-1,110.69

Finding the Fourth Proportional to 1,907.29, 2,631.99 and 1,110.69

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Solution

The fourth proportional to 1,907.29, 2,631.99 and 1,110.69 is: 1,532.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,907.29 : 2,631.99 = 1,110.69 : x
  2. Step 2: Convert to fraction form
    1,907.29/2,631.99 = 1,110.69/x
  3. Step 3: Cross multiply
    1,907.29x = 2,631.99 × 1,110.69
  4. Step 4: Simplify right side
    1,907.29x = 2,923,324.97
  5. Step 5: Solve for x
    x = 2,923,324.97/1,907.29
  6. Step 6: Final answer
    x = 1,532.71

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Double scale
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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.