Home / 3,291.28-4,541.32-1,893.76

Finding the Fourth Proportional to 3,291.28, 4,541.32 and 1,893.76

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Solution

The fourth proportional to 3,291.28, 4,541.32 and 1,893.76 is: 2,613.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,291.28 : 4,541.32 = 1,893.76 : x
  2. Step 2: Convert to fraction form
    3,291.28/4,541.32 = 1,893.76/x
  3. Step 3: Cross multiply
    3,291.28x = 4,541.32 × 1,893.76
  4. Step 4: Simplify right side
    3,291.28x = 8,600,170.16
  5. Step 5: Solve for x
    x = 8,600,170.16/3,291.28
  6. Step 6: Final answer
    x = 2,613.02

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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.