Home / 1,288.36-1,932.08-466.42

Finding the Fourth Proportional to 1,288.36, 1,932.08 and 466.42

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Solution

The fourth proportional to 1,288.36, 1,932.08 and 466.42 is: 699.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288.36 : 1,932.08 = 466.42 : x
  2. Step 2: Convert to fraction form
    1,288.36/1,932.08 = 466.42/x
  3. Step 3: Cross multiply
    1,288.36x = 1,932.08 × 466.42
  4. Step 4: Simplify right side
    1,288.36x = 901,160.75
  5. Step 5: Solve for x
    x = 901,160.75/1,288.36
  6. Step 6: Final answer
    x = 699.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.