Home / 2,855.18-4,282.92-1,625.00

Finding the Fourth Proportional to 2,855.18, 4,282.92 and 1,625.00

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Solution

The fourth proportional to 2,855.18, 4,282.92 and 1,625.00 is: 2,437.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,855.18 : 4,282.92 = 1,625.00 : x
  2. Step 2: Convert to fraction form
    2,855.18/4,282.92 = 1,625.00/x
  3. Step 3: Cross multiply
    2,855.18x = 4,282.92 × 1,625.00
  4. Step 4: Simplify right side
    2,855.18x = 6,959,723.59
  5. Step 5: Solve for x
    x = 6,959,723.59/2,855.18
  6. Step 6: Final answer
    x = 2,437.58

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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.