Home / 2,221.53-3,063.75-1,514.52

Finding the Fourth Proportional to 2,221.53, 3,063.75 and 1,514.52

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Solution

The fourth proportional to 2,221.53, 3,063.75 and 1,514.52 is: 2,088.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,221.53 : 3,063.75 = 1,514.52 : x
  2. Step 2: Convert to fraction form
    2,221.53/3,063.75 = 1,514.52/x
  3. Step 3: Cross multiply
    2,221.53x = 3,063.75 × 1,514.52
  4. Step 4: Simplify right side
    2,221.53x = 4,640,110.65
  5. Step 5: Solve for x
    x = 4,640,110.65/2,221.53
  6. Step 6: Final answer
    x = 2,088.70

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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.