Home / 3,287.88-4,537.08-1,871.37

Finding the Fourth Proportional to 3,287.88, 4,537.08 and 1,871.37

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Solution

The fourth proportional to 3,287.88, 4,537.08 and 1,871.37 is: 2,582.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.88 : 4,537.08 = 1,871.37 : x
  2. Step 2: Convert to fraction form
    3,287.88/4,537.08 = 1,871.37/x
  3. Step 3: Cross multiply
    3,287.88x = 4,537.08 × 1,871.37
  4. Step 4: Simplify right side
    3,287.88x = 8,490,555.40
  5. Step 5: Solve for x
    x = 8,490,555.40/3,287.88
  6. Step 6: Final answer
    x = 2,582.38

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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.