Home / 2,551.34-3,829.05-1,319.11

Finding the Fourth Proportional to 2,551.34, 3,829.05 and 1,319.11

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Solution

The fourth proportional to 2,551.34, 3,829.05 and 1,319.11 is: 1,979.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,551.34 : 3,829.05 = 1,319.11 : x
  2. Step 2: Convert to fraction form
    2,551.34/3,829.05 = 1,319.11/x
  3. Step 3: Cross multiply
    2,551.34x = 3,829.05 × 1,319.11
  4. Step 4: Simplify right side
    2,551.34x = 5,050,938.15
  5. Step 5: Solve for x
    x = 5,050,938.15/2,551.34
  6. Step 6: Final answer
    x = 1,979.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.