Home / 3,287.98-4,537.30-1,871.56

Finding the Fourth Proportional to 3,287.98, 4,537.30 and 1,871.56

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Solution

The fourth proportional to 3,287.98, 4,537.30 and 1,871.56 is: 2,582.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,287.98 : 4,537.30 = 1,871.56 : x
  2. Step 2: Convert to fraction form
    3,287.98/4,537.30 = 1,871.56/x
  3. Step 3: Cross multiply
    3,287.98x = 4,537.30 × 1,871.56
  4. Step 4: Simplify right side
    3,287.98x = 8,491,851.71
  5. Step 5: Solve for x
    x = 8,491,851.71/3,287.98
  6. Step 6: Final answer
    x = 2,582.69

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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.