Home / 1,183.41-1,782.56-1,110.51

Finding the Fourth Proportional to 1,183.41, 1,782.56 and 1,110.51

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Solution

The fourth proportional to 1,183.41, 1,782.56 and 1,110.51 is: 1,672.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183.41 : 1,782.56 = 1,110.51 : x
  2. Step 2: Convert to fraction form
    1,183.41/1,782.56 = 1,110.51/x
  3. Step 3: Cross multiply
    1,183.41x = 1,782.56 × 1,110.51
  4. Step 4: Simplify right side
    1,183.41x = 1,979,547.24
  5. Step 5: Solve for x
    x = 1,979,547.24/1,183.41
  6. Step 6: Final answer
    x = 1,672.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.