Home / 3,291.30-4,542-1,874.93

Finding the Fourth Proportional to 3,291.30, 4,542 and 1,874.93

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Solution

The fourth proportional to 3,291.30, 4,542 and 1,874.93 is: 2,587.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.30 : 4,542 = 1,874.93 : x
  2. Step 2: Convert to fraction form
    3,291.30/4,542 = 1,874.93/x
  3. Step 3: Cross multiply
    3,291.30x = 4,542 × 1,874.93
  4. Step 4: Simplify right side
    3,291.30x = 8,515,932.06
  5. Step 5: Solve for x
    x = 8,515,932.06/3,291.30
  6. Step 6: Final answer
    x = 2,587.41

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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.