Home / 1,336.85-2,005.15-948.52

Finding the Fourth Proportional to 1,336.85, 2,005.15 and 948.52

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Solution

The fourth proportional to 1,336.85, 2,005.15 and 948.52 is: 1,422.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336.85 : 2,005.15 = 948.52 : x
  2. Step 2: Convert to fraction form
    1,336.85/2,005.15 = 948.52/x
  3. Step 3: Cross multiply
    1,336.85x = 2,005.15 × 948.52
  4. Step 4: Simplify right side
    1,336.85x = 1,901,924.88
  5. Step 5: Solve for x
    x = 1,901,924.88/1,336.85
  6. Step 6: Final answer
    x = 1,422.69

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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.