Home / 1,865.36-2,573.12-1,644.84

Finding the Fourth Proportional to 1,865.36, 2,573.12 and 1,644.84

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Solution

The fourth proportional to 1,865.36, 2,573.12 and 1,644.84 is: 2,268.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865.36 : 2,573.12 = 1,644.84 : x
  2. Step 2: Convert to fraction form
    1,865.36/2,573.12 = 1,644.84/x
  3. Step 3: Cross multiply
    1,865.36x = 2,573.12 × 1,644.84
  4. Step 4: Simplify right side
    1,865.36x = 4,232,370.70
  5. Step 5: Solve for x
    x = 4,232,370.70/1,865.36
  6. Step 6: Final answer
    x = 2,268.93

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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.