Home / 2,810.58-4,215.87-1,822.79

Finding the Fourth Proportional to 2,810.58, 4,215.87 and 1,822.79

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Solution

The fourth proportional to 2,810.58, 4,215.87 and 1,822.79 is: 2,734.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.58 : 4,215.87 = 1,822.79 : x
  2. Step 2: Convert to fraction form
    2,810.58/4,215.87 = 1,822.79/x
  3. Step 3: Cross multiply
    2,810.58x = 4,215.87 × 1,822.79
  4. Step 4: Simplify right side
    2,810.58x = 7,684,624.60
  5. Step 5: Solve for x
    x = 7,684,624.60/2,810.58
  6. Step 6: Final answer
    x = 2,734.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.