Home / 2,849.65-3,932.71-1,590.95

Finding the Fourth Proportional to 2,849.65, 3,932.71 and 1,590.95

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Solution

The fourth proportional to 2,849.65, 3,932.71 and 1,590.95 is: 2,195.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.65 : 3,932.71 = 1,590.95 : x
  2. Step 2: Convert to fraction form
    2,849.65/3,932.71 = 1,590.95/x
  3. Step 3: Cross multiply
    2,849.65x = 3,932.71 × 1,590.95
  4. Step 4: Simplify right side
    2,849.65x = 6,256,748.95
  5. Step 5: Solve for x
    x = 6,256,748.95/2,849.65
  6. Step 6: Final answer
    x = 2,195.62

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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.