Home / 2,291.33-3,159.09-1,871.24

Finding the Fourth Proportional to 2,291.33, 3,159.09 and 1,871.24

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Solution

The fourth proportional to 2,291.33, 3,159.09 and 1,871.24 is: 2,579.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,291.33 : 3,159.09 = 1,871.24 : x
  2. Step 2: Convert to fraction form
    2,291.33/3,159.09 = 1,871.24/x
  3. Step 3: Cross multiply
    2,291.33x = 3,159.09 × 1,871.24
  4. Step 4: Simplify right side
    2,291.33x = 5,911,415.57
  5. Step 5: Solve for x
    x = 5,911,415.57/2,291.33
  6. Step 6: Final answer
    x = 2,579.91

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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.