Home / 2,320.65-3,203-1,514.11

Finding the Fourth Proportional to 2,320.65, 3,203 and 1,514.11

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Solution

The fourth proportional to 2,320.65, 3,203 and 1,514.11 is: 2,089.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,320.65 : 3,203 = 1,514.11 : x
  2. Step 2: Convert to fraction form
    2,320.65/3,203 = 1,514.11/x
  3. Step 3: Cross multiply
    2,320.65x = 3,203 × 1,514.11
  4. Step 4: Simplify right side
    2,320.65x = 4,849,694.33
  5. Step 5: Solve for x
    x = 4,849,694.33/2,320.65
  6. Step 6: Final answer
    x = 2,089.80

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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.