Home / 1,855.19-2,560.55-1,796.64

Finding the Fourth Proportional to 1,855.19, 2,560.55 and 1,796.64

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Solution

The fourth proportional to 1,855.19, 2,560.55 and 1,796.64 is: 2,479.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,855.19 : 2,560.55 = 1,796.64 : x
  2. Step 2: Convert to fraction form
    1,855.19/2,560.55 = 1,796.64/x
  3. Step 3: Cross multiply
    1,855.19x = 2,560.55 × 1,796.64
  4. Step 4: Simplify right side
    1,855.19x = 4,600,377.57
  5. Step 5: Solve for x
    x = 4,600,377.57/1,855.19
  6. Step 6: Final answer
    x = 2,479.74

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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.