Home / 2,849.68-3,932.18-1,590.55

Finding the Fourth Proportional to 2,849.68, 3,932.18 and 1,590.55

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Solution

The fourth proportional to 2,849.68, 3,932.18 and 1,590.55 is: 2,194.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,849.68 : 3,932.18 = 1,590.55 : x
  2. Step 2: Convert to fraction form
    2,849.68/3,932.18 = 1,590.55/x
  3. Step 3: Cross multiply
    2,849.68x = 3,932.18 × 1,590.55
  4. Step 4: Simplify right side
    2,849.68x = 6,254,339.20
  5. Step 5: Solve for x
    x = 6,254,339.20/2,849.68
  6. Step 6: Final answer
    x = 2,194.75

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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.