Home / 1,536.39-2,118.56-1,094.13

Finding the Fourth Proportional to 1,536.39, 2,118.56 and 1,094.13

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Solution

The fourth proportional to 1,536.39, 2,118.56 and 1,094.13 is: 1,508.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,536.39 : 2,118.56 = 1,094.13 : x
  2. Step 2: Convert to fraction form
    1,536.39/2,118.56 = 1,094.13/x
  3. Step 3: Cross multiply
    1,536.39x = 2,118.56 × 1,094.13
  4. Step 4: Simplify right side
    1,536.39x = 2,317,974.58
  5. Step 5: Solve for x
    x = 2,317,974.58/1,536.39
  6. Step 6: Final answer
    x = 1,508.71

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Half 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.