Home / 3,291.13-4,541.21-1,874.84

Finding the Fourth Proportional to 3,291.13, 4,541.21 and 1,874.84

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Solution

The fourth proportional to 3,291.13, 4,541.21 and 1,874.84 is: 2,586.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.13 : 4,541.21 = 1,874.84 : x
  2. Step 2: Convert to fraction form
    3,291.13/4,541.21 = 1,874.84/x
  3. Step 3: Cross multiply
    3,291.13x = 4,541.21 × 1,874.84
  4. Step 4: Simplify right side
    3,291.13x = 8,514,010.08
  5. Step 5: Solve for x
    x = 8,514,010.08/3,291.13
  6. Step 6: Final answer
    x = 2,586.96

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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.