Home / 1,453.36-2,003.52-1,103.44

Finding the Fourth Proportional to 1,453.36, 2,003.52 and 1,103.44

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Solution

The fourth proportional to 1,453.36, 2,003.52 and 1,103.44 is: 1,521.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,453.36 : 2,003.52 = 1,103.44 : x
  2. Step 2: Convert to fraction form
    1,453.36/2,003.52 = 1,103.44/x
  3. Step 3: Cross multiply
    1,453.36x = 2,003.52 × 1,103.44
  4. Step 4: Simplify right side
    1,453.36x = 2,210,764.11
  5. Step 5: Solve for x
    x = 2,210,764.11/1,453.36
  6. Step 6: Final answer
    x = 1,521.14

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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.