Home / 2,810.88-4,219.92-2,046.24

Finding the Fourth Proportional to 2,810.88, 4,219.92 and 2,046.24

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Solution

The fourth proportional to 2,810.88, 4,219.92 and 2,046.24 is: 3,071.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,810.88 : 4,219.92 = 2,046.24 : x
  2. Step 2: Convert to fraction form
    2,810.88/4,219.92 = 2,046.24/x
  3. Step 3: Cross multiply
    2,810.88x = 4,219.92 × 2,046.24
  4. Step 4: Simplify right side
    2,810.88x = 8,634,969.10
  5. Step 5: Solve for x
    x = 8,634,969.10/2,810.88
  6. Step 6: Final answer
    x = 3,071.98

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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.