Home / 1,950.36-2,693.78-1,553.35

Finding the Fourth Proportional to 1,950.36, 2,693.78 and 1,553.35

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Solution

The fourth proportional to 1,950.36, 2,693.78 and 1,553.35 is: 2,145.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,950.36 : 2,693.78 = 1,553.35 : x
  2. Step 2: Convert to fraction form
    1,950.36/2,693.78 = 1,553.35/x
  3. Step 3: Cross multiply
    1,950.36x = 2,693.78 × 1,553.35
  4. Step 4: Simplify right side
    1,950.36x = 4,184,383.16
  5. Step 5: Solve for x
    x = 4,184,383.16/1,950.36
  6. Step 6: Final answer
    x = 2,145.44

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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.