Home / 1,288.40-1,932.14-466.44

Finding the Fourth Proportional to 1,288.40, 1,932.14 and 466.44

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Solution

The fourth proportional to 1,288.40, 1,932.14 and 466.44 is: 699.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,288.40 : 1,932.14 = 466.44 : x
  2. Step 2: Convert to fraction form
    1,288.40/1,932.14 = 466.44/x
  3. Step 3: Cross multiply
    1,288.40x = 1,932.14 × 466.44
  4. Step 4: Simplify right side
    1,288.40x = 901,227.38
  5. Step 5: Solve for x
    x = 901,227.38/1,288.40
  6. Step 6: Final answer
    x = 699.49

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1.5x scale

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.