Home / 2,764.59-3,815.08-1,585.90

Finding the Fourth Proportional to 2,764.59, 3,815.08 and 1,585.90

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Solution

The fourth proportional to 2,764.59, 3,815.08 and 1,585.90 is: 2,188.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,764.59 : 3,815.08 = 1,585.90 : x
  2. Step 2: Convert to fraction form
    2,764.59/3,815.08 = 1,585.90/x
  3. Step 3: Cross multiply
    2,764.59x = 3,815.08 × 1,585.90
  4. Step 4: Simplify right side
    2,764.59x = 6,050,335.37
  5. Step 5: Solve for x
    x = 6,050,335.37/2,764.59
  6. Step 6: Final answer
    x = 2,188.51

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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.