Home / 1,738.83-2,398.91-1,109.19

Finding the Fourth Proportional to 1,738.83, 2,398.91 and 1,109.19

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Solution

The fourth proportional to 1,738.83, 2,398.91 and 1,109.19 is: 1,530.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,738.83 : 2,398.91 = 1,109.19 : x
  2. Step 2: Convert to fraction form
    1,738.83/2,398.91 = 1,109.19/x
  3. Step 3: Cross multiply
    1,738.83x = 2,398.91 × 1,109.19
  4. Step 4: Simplify right side
    1,738.83x = 2,660,841.44
  5. Step 5: Solve for x
    x = 2,660,841.44/1,738.83
  6. Step 6: Final answer
    x = 1,530.25

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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.